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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="A generic trait for converting a number to a value."><title>FromPrimitive in num_traits::cast - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="num_traits" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../num_traits/index.html">num_traits</a><span class="version">0.2.17</span></h2></div><h2 class="location"><a href="#">FromPrimitive</a></h2><div class="sidebar-elems"><section><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.from_i64">from_i64</a></li><li><a href="#tymethod.from_u64">from_u64</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.from_f32">from_f32</a></li><li><a href="#method.from_f64">from_f64</a></li><li><a href="#method.from_i128">from_i128</a></li><li><a href="#method.from_i16">from_i16</a></li><li><a href="#method.from_i32">from_i32</a></li><li><a href="#method.from_i8">from_i8</a></li><li><a href="#method.from_isize">from_isize</a></li><li><a href="#method.from_u128">from_u128</a></li><li><a href="#method.from_u16">from_u16</a></li><li><a href="#method.from_u32">from_u32</a></li><li><a href="#method.from_u8">from_u8</a></li><li><a href="#method.from_usize">from_usize</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-FromPrimitive-for-Wrapping%3CT%3E">Wrapping<T></a></li><li><a href="#impl-FromPrimitive-for-f32">f32</a></li><li><a href="#impl-FromPrimitive-for-f64">f64</a></li><li><a href="#impl-FromPrimitive-for-i128">i128</a></li><li><a href="#impl-FromPrimitive-for-i16">i16</a></li><li><a href="#impl-FromPrimitive-for-i32">i32</a></li><li><a href="#impl-FromPrimitive-for-i64">i64</a></li><li><a href="#impl-FromPrimitive-for-i8">i8</a></li><li><a href="#impl-FromPrimitive-for-isize">isize</a></li><li><a href="#impl-FromPrimitive-for-u128">u128</a></li><li><a href="#impl-FromPrimitive-for-u16">u16</a></li><li><a href="#impl-FromPrimitive-for-u32">u32</a></li><li><a href="#impl-FromPrimitive-for-u64">u64</a></li><li><a href="#impl-FromPrimitive-for-u8">u8</a></li><li><a href="#impl-FromPrimitive-for-usize">usize</a></li></ul><h3><a href="#object-safety">Object Safety</a></h3><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In num_traits::cast</a></h2></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../num_traits/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Trait <a href="../index.html">num_traits</a>::<wbr><a href="index.html">cast</a>::<wbr><a class="trait" href="#">FromPrimitive</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/num_traits/cast.rs.html#395-500">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub trait FromPrimitive: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
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<details class="toggle type-contents-toggle"><summary class="hideme"><span>Show 14 methods</span></summary> // Required methods
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fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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<span class="item-spacer"></span> fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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// Provided methods
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fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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<span class="item-spacer"></span> fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self> { ... }
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</details>}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A generic trait for converting a number to a value.</p>
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<p>A value can be represented by the target type when it lies within
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the range of scalars supported by the target type.
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For example, a negative integer cannot be represented by an unsigned
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integer type, and an <code>i64</code> with a very high magnitude might not be
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convertible to an <code>i32</code>.
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On the other hand, conversions with possible precision loss or truncation
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are admitted, like an <code>f32</code> with a decimal part to an integer type, or
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even a large <code>f64</code> saturating to <code>f32</code> infinity.</p>
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</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.from_i64" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#426">source</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>i64</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.from_u64" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#468">source</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>u64</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.from_isize" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#399-401">source</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>isize</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_i8" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#406-408">source</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>i8</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_i16" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#413-415">source</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>i16</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_i32" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#420-422">source</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>i32</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_i128" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#434-436">source</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>i128</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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<p>The default implementation converts through <code>from_i64()</code>. Types implementing
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this trait should override this method if they can represent a greater range.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_usize" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#441-443">source</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts a <code>usize</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_u8" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#448-450">source</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>u8</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_u16" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#455-457">source</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>u16</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_u32" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#462-464">source</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>u32</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_u128" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#476-478">source</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts an <code>u128</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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<p>The default implementation converts through <code>from_u64()</code>. Types implementing
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this trait should override this method if they can represent a greater range.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_f32" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#483-485">source</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts a <code>f32</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.from_f64" class="method"><a class="src rightside" href="../../src/num_traits/cast.rs.html#494-499">source</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></summary><div class="docblock"><p>Converts a <code>f64</code> to return an optional value of this type. If the
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value cannot be represented by this type, then <code>None</code> is returned.</p>
|
||
<p>The default implementation tries to convert through <code>from_i64()</code>, and
|
||
failing that through <code>from_u64()</code>. Types implementing this trait should
|
||
override this method if they can represent a greater range.</p>
|
||
</div></details></div><h2 id="object-safety" class="section-header">Object Safety<a href="#object-safety" class="anchor">§</a></h2><div class="object-safety-info">This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.76.0/reference/items/traits.html#object-safety">object safe</a>.</div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-f32" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#impl-FromPrimitive-for-f32" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_isize-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_i8-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_i8-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_i16-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_i16-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_i32-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_i32-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_i64" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_i64" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_i128-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_i128-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_usize-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_usize-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_u8-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_u8-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_u16-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_u16-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_u32-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_u32-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_u64" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_u64" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_u128-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_u128-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_f32-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_f32-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section><section id="method.from_f64-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#580">source</a><a href="#method.from_f64-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-f64" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#impl-FromPrimitive-for-f64" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_isize-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_i8-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_i8-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_i16-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_i16-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_i32-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_i32-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_i64-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_i64-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_i128-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_i128-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_usize-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_usize-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_u8-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_u8-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_u16-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_u16-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_u32-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_u32-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_u64-1" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_u64-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_u128-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_u128-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_f32-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_f32-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section><section id="method.from_f64-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#581">source</a><a href="#method.from_f64-2" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-i8" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#impl-FromPrimitive-for-i8" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_isize-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_i8-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_i8-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_i16-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_i16-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_i32-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_i32-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_i64-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_i64-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_i128-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_i128-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_usize-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_usize-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_u8-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_u8-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_u16-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_u16-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_u32-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_u32-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_u64-2" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_u64-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_u128-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_u128-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_f32-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_f32-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section><section id="method.from_f64-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#569">source</a><a href="#method.from_f64-3" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-i16" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#impl-FromPrimitive-for-i16" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_isize-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_i8-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_i8-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_i16-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_i16-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_i32-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_i32-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_i64-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_i64-3" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_i128-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_i128-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_usize-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_usize-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_u8-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_u8-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_u16-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_u16-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_u32-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_u32-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_u64-3" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_u64-3" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_u128-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_u128-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_f32-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_f32-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section><section id="method.from_f64-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#570">source</a><a href="#method.from_f64-4" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-i32" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#impl-FromPrimitive-for-i32" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_isize-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_i8-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_i8-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_i16-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_i16-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_i32-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_i32-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_i64-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_i64-4" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_i128-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_i128-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_usize-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_usize-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_u8-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_u8-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_u16-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_u16-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_u32-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_u32-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_u64-4" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_u64-4" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_u128-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_u128-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_f32-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_f32-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section><section id="method.from_f64-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#571">source</a><a href="#method.from_f64-5" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-i64" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#impl-FromPrimitive-for-i64" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_isize-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_i8-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_i8-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_i16-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_i16-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_i32-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_i32-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_i64-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_i64-5" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_i128-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_i128-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_usize-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_usize-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_u8-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_u8-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_u16-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_u16-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_u32-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_u32-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_u64-5" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_u64-5" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_u128-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_u128-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_f32-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_f32-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section><section id="method.from_f64-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#572">source</a><a href="#method.from_f64-6" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-i128" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#impl-FromPrimitive-for-i128" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_isize-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_i8-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_i8-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_i16-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_i16-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_i32-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_i32-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_i64-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_i64-6" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_i128-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_i128-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_usize-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_usize-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_u8-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_u8-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_u16-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_u16-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_u32-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_u32-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_u64-6" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_u64-6" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_u128-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_u128-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_f32-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_f32-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section><section id="method.from_f64-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#573">source</a><a href="#method.from_f64-7" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-isize" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#impl-FromPrimitive-for-isize" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_isize-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_i8-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_i8-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_i16-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_i16-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_i32-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_i32-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_i64-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_i64-7" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_i128-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_i128-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_usize-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_usize-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_u8-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_u8-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_u16-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_u16-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_u32-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_u32-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_u64-7" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_u64-7" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_u128-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_u128-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_f32-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_f32-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section><section id="method.from_f64-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#568">source</a><a href="#method.from_f64-8" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-u8" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#impl-FromPrimitive-for-u8" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_isize-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_i8-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_i8-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_i16-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_i16-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_i32-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_i32-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_i64-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_i64-8" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_i128-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_i128-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_usize-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_usize-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_u8-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_u8-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_u16-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_u16-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_u32-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_u32-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_u64-8" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_u64-8" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_u128-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_u128-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_f32-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_f32-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section><section id="method.from_f64-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#575">source</a><a href="#method.from_f64-9" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-u16" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#impl-FromPrimitive-for-u16" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_isize-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_i8-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_i8-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_i16-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_i16-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_i32-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_i32-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_i64-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_i64-9" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_i128-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_i128-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_usize-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_usize-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_u8-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_u8-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_u16-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_u16-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_u32-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_u32-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_u64-9" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_u64-9" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_u128-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_u128-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_f32-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_f32-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section><section id="method.from_f64-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#576">source</a><a href="#method.from_f64-10" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-u32" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#impl-FromPrimitive-for-u32" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_isize-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_i8-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_i8-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_i16-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_i16-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_i32-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_i32-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_i64-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_i64-10" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_i128-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_i128-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_usize-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_usize-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_u8-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_u8-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_u16-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_u16-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_u32-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_u32-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_u64-10" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_u64-10" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_u128-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_u128-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_f32-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_f32-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section><section id="method.from_f64-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#577">source</a><a href="#method.from_f64-11" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-u64" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#impl-FromPrimitive-for-u64" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_isize-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_i8-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_i8-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_i16-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_i16-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_i32-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_i32-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_i64-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_i64-11" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_i128-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_i128-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_usize-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_usize-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_u8-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_u8-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_u16-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_u16-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_u32-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_u32-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_u64-11" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_u64-11" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_u128-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_u128-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_f32-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_f32-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section><section id="method.from_f64-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#578">source</a><a href="#method.from_f64-12" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-u128" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#impl-FromPrimitive-for-u128" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_isize-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_i8-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_i8-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_i16-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_i16-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_i32-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_i32-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_i64-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_i64-12" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_i128-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_i128-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_usize-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_usize-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_u8-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_u8-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_u16-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_u16-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_u32-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_u32-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_u64-12" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_u64-12" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_u128-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_u128-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_f32-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_f32-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section><section id="method.from_f64-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#579">source</a><a href="#method.from_f64-13" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-usize" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#impl-FromPrimitive-for-usize" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a></h3></section></summary><div class="impl-items"><section id="method.from_isize-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_isize-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_i8-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_i8-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_i16-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_i16-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_i32-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_i32-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_i64-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_i64-13" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_i128-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_i128-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_usize-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_usize-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_u8-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_u8-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_u16-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_u16-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_u32-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_u32-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_u64-13" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_u64-13" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_u128-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_u128-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_f32-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_f32-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section><section id="method.from_f64-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#574">source</a><a href="#method.from_f64-14" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromPrimitive-for-Wrapping%3CT%3E" class="impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#624-643">source</a><a href="#impl-FromPrimitive-for-Wrapping%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a>> <a class="trait" href="trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a><T></h3></section></summary><div class="impl-items"><section id="method.from_isize-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_isize-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_isize" class="fn">from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.isize.html">isize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_i8-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_i8-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i8" class="fn">from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i8.html">i8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_i16-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_i16-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i16" class="fn">from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i16.html">i16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_i32-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_i32-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i32" class="fn">from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_i64-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_i64-14" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_i64" class="fn">from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i64.html">i64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_i128-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_i128-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_i128" class="fn">from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.i128.html">i128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_usize-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_usize-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_usize" class="fn">from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_u8-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_u8-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u8" class="fn">from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u8.html">u8</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_u16-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_u16-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u16" class="fn">from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u16.html">u16</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_u32-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_u32-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u32" class="fn">from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_u64-14" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_u64-14" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_u64" class="fn">from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u64.html">u64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_u128-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_u128-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_u128" class="fn">from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.u128.html">u128</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_f32-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_f32-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f32" class="fn">from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f32.html">f32</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section><section id="method.from_f64-15" class="method trait-impl"><a class="src rightside" href="../../src/num_traits/cast.rs.html#625-642">source</a><a href="#method.from_f64-15" class="anchor">§</a><h4 class="code-header">fn <a href="#method.from_f64" class="fn">from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.f64.html">f64</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"></div><script src="../../trait.impl/num_traits/cast/trait.FromPrimitive.js" data-ignore-extern-crates="core" async></script></section></div></main></body></html> |