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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="ISO 8601 time duration with nanosecond precision."><title>Duration in chrono - 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="chrono" 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 struct"><!--[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">&#9776;</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../chrono/index.html">chrono</a><span class="version">0.4.31</span></h2></div><h2 class="location"><a href="#">Duration</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.abs">abs</a></li><li><a href="#method.checked_add">checked_add</a></li><li><a href="#method.checked_sub">checked_sub</a></li><li><a href="#method.days">days</a></li><li><a href="#method.from_std">from_std</a></li><li><a href="#method.hours">hours</a></li><li><a href="#method.is_zero">is_zero</a></li><li><a href="#method.max_value">max_value</a></li><li><a href="#method.microseconds">microseconds</a></li><li><a href="#method.milliseconds">milliseconds</a></li><li><a href="#method.min_value">min_value</a></li><li><a href="#method.minutes">minutes</a></li><li><a href="#method.nanoseconds">nanoseconds</a></li><li><a href="#method.num_days">num_days</a></li><li><a href="#method.num_hours">num_hours</a></li><li><a href="#method.num_microseconds">num_microseconds</a></li><li><a href="#method.num_milliseconds">num_milliseconds</a></li><li><a href="#method.num_minutes">num_minutes</a></li><li><a href="#method.num_nanoseconds">num_nanoseconds</a></li><li><a href="#method.num_seconds">num_seconds</a></li><li><a href="#method.num_weeks">num_weeks</a></li><li><a href="#method.seconds">seconds</a></li><li><a href="#method.to_std">to_std</a></li><li><a href="#method.weeks">weeks</a></li><li><a href="#method.zero">zero</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Add-for-Duration">Add</a></li><li><a href="#impl-Add%3CDuration%3E-for-Date%3CTz%3E">Add&lt;Duration&gt;</a></li><li><a href="#impl-Add%3CDuration%3E-for-DateTime%3CTz%3E">Add&lt;Duration&gt;</a></li><li><a href="#impl-Add%3CDuration%3E-for-NaiveDate">Add&lt;Duration&gt;</a></li><li><a href="#impl-Add%3CDuration%3E-for-NaiveDateTime">Add&lt;Duration&gt;</a></li><li><a href="#impl-Add%3CDuration%3E-for-NaiveTime">Add&lt;Duration&gt;</a></li><li><a href="#impl-AddAssign%3CDuration%3E-for-Date%3CTz%3E">AddAssign&lt;Duration&gt;</a></li><li><a href="#impl-AddAssign%3CDuration%3E-for-DateTime%3CTz%3E">AddAssign&lt;Duration&gt;</a></li><li><a href="#impl-AddAssign%3CDuration%3E-for-NaiveDate">AddAssign&lt;Duration&gt;</a></li><li><a href="#impl-AddAssign%3CDuration%3E-for-NaiveDateTime">AddAssign&lt;Duration&gt;</a></li><li><a href="#impl-AddAssign%3CDuration%3E-for-NaiveTime">AddAssign&lt;Duration&gt;</a></li><li><a href="#impl-Clone-for-Duration">Clone</a></li><li><a href="#impl-Copy-for-Duration">Copy</a></li><li><a href="#impl-Debug-for-Duration">Debug</a></li><li><a href="#impl-Display-for-Duration">Display</a></li><li><a href="#impl-Div%3Ci32%3E-for-Duration">Div&lt;i32&gt;</a></li><li><a href="#impl-Eq-for-Duration">Eq</a></li><li><a href="#impl-Hash-for-Duration">Hash</a></li><li><a href="#impl-Mul%3Ci32%3E-for-Duration">Mul&lt;i32&gt;</a></li><li><a href="#impl-Neg-for-Duration">Neg</a></li><li><a href="#impl-Ord-for-Duration">Ord</a></li><li><a href="#impl-PartialEq-for-Duration">PartialEq</a></li><li><a href="#impl-PartialOrd-for-Duration">PartialOrd</a></li><li><a href="#impl-StructuralEq-for-Duration">StructuralEq</a></li><li><a href="#impl-StructuralPartialEq-for-Duration">StructuralPartialEq</a></li><li><a href="#impl-Sub-for-Duration">Sub</a></li><li><a href="#impl-Sub%3CDuration%3E-for-Date%3CTz%3E">Sub&lt;Duration&gt;</a></li><li><a href="#impl-Sub%3CDuration%3E-for-DateTime%3CTz%3E">Sub&lt;Duration&gt;</a></li><li><a href="#impl-Sub%3CDuration%3E-for-NaiveDate">Sub&lt;Duration&gt;</a></li><li><a href="#impl-Sub%3CDuration%3E-for-NaiveDateTime">Sub&lt;Duration&gt;</a></li><li><a href="#impl-Sub%3CDuration%3E-for-NaiveTime">Sub&lt;Duration&gt;</a></li><li><a href="#impl-SubAssign%3CDuration%3E-for-Date%3CTz%3E">SubAssign&lt;Duration&gt;</a></li><li><a href="#impl-SubAssign%3CDuration%3E-for-DateTime%3CTz%3E">SubAssign&lt;Duration&gt;</a></li><li><a href="#impl-SubAssign%3CDuration%3E-for-NaiveDate">SubAssign&lt;Duration&gt;</a></li><li><a href="#impl-SubAssign%3CDuration%3E-for-NaiveDateTime">SubAssign&lt;Duration&gt;</a></li><li><a href="#impl-SubAssign%3CDuration%3E-for-NaiveTime">SubAssign&lt;Duration&gt;</a></li><li><a href="#impl-Sum-for-Duration">Sum</a></li><li><a href="#impl-Sum%3C%26Duration%3E-for-Duration">Sum&lt;&amp;&#x27;a Duration&gt;</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-Duration">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Duration">Send</a></li><li><a href="#impl-Sync-for-Duration">Sync</a></li><li><a href="#impl-Unpin-for-Duration">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Duration">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-T">From&lt;T&gt;</a></li><li><a href="#impl-Into%3CU%3E-for-T">Into&lt;U&gt;</a></li><li><a href="#impl-ToOwned-for-T">ToOwned</a></li><li><a href="#impl-ToString-for-T">ToString</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-T">TryInto&lt;U&gt;</a></li></ul></section><h2><a href="index.html">In crate chrono</a></h2></div></nav><div class="sidebar-resizer"></div>
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../chrono/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>Struct <a href="index.html">chrono</a>::<wbr><a class="struct" href="#">Duration</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/chrono/duration.rs.html#55-58">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub struct Duration { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>ISO 8601 time duration with nanosecond precision.</p>
<p>This also allows for the negative duration; see individual methods for details.</p>
</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#72-316">source</a><a href="#impl-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.weeks" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#78-81">source</a><h4 class="code-header">pub fn <a href="#method.weeks" class="fn">weeks</a>(weeks: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Makes a new <code>Duration</code> with given number of weeks.
Equivalent to <code>Duration::seconds(weeks * 7 * 24 * 60 * 60)</code> with overflow checks.
Panics when the duration is out of bounds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.days" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#88-91">source</a><h4 class="code-header">pub fn <a href="#method.days" class="fn">days</a>(days: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Makes a new <code>Duration</code> with given number of days.
Equivalent to <code>Duration::seconds(days * 24 * 60 * 60)</code> with overflow checks.
Panics when the duration is out of bounds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.hours" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#98-101">source</a><h4 class="code-header">pub fn <a href="#method.hours" class="fn">hours</a>(hours: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Makes a new <code>Duration</code> with given number of hours.
Equivalent to <code>Duration::seconds(hours * 60 * 60)</code> with overflow checks.
Panics when the duration is out of bounds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.minutes" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#108-111">source</a><h4 class="code-header">pub fn <a href="#method.minutes" class="fn">minutes</a>(minutes: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Makes a new <code>Duration</code> with given number of minutes.
Equivalent to <code>Duration::seconds(minutes * 60)</code> with overflow checks.
Panics when the duration is out of bounds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.seconds" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#118-124">source</a><h4 class="code-header">pub fn <a href="#method.seconds" class="fn">seconds</a>(seconds: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Makes a new <code>Duration</code> with given number of seconds.
Panics when the duration is more than <code>i64::MAX</code> milliseconds
or less than <code>i64::MIN</code> milliseconds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.milliseconds" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#128-132">source</a><h4 class="code-header">pub const fn <a href="#method.milliseconds" class="fn">milliseconds</a>(milliseconds: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Makes a new <code>Duration</code> with given number of milliseconds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.microseconds" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#136-140">source</a><h4 class="code-header">pub const fn <a href="#method.microseconds" class="fn">microseconds</a>(microseconds: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Makes a new <code>Duration</code> with given number of microseconds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.nanoseconds" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#144-147">source</a><h4 class="code-header">pub const fn <a href="#method.nanoseconds" class="fn">nanoseconds</a>(nanos: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Makes a new <code>Duration</code> with given number of nanoseconds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.num_weeks" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#151-153">source</a><h4 class="code-header">pub const fn <a href="#method.num_weeks" class="fn">num_weeks</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the total number of whole weeks in the duration.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.num_days" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#156-158">source</a><h4 class="code-header">pub const fn <a href="#method.num_days" class="fn">num_days</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the total number of whole days in the duration.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.num_hours" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#162-164">source</a><h4 class="code-header">pub const fn <a href="#method.num_hours" class="fn">num_hours</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the total number of whole hours in the duration.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.num_minutes" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#168-170">source</a><h4 class="code-header">pub const fn <a href="#method.num_minutes" class="fn">num_minutes</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the total number of whole minutes in the duration.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.num_seconds" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#173-180">source</a><h4 class="code-header">pub const fn <a href="#method.num_seconds" class="fn">num_seconds</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the total number of whole seconds in the duration.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.num_milliseconds" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#194-200">source</a><h4 class="code-header">pub const fn <a href="#method.num_milliseconds" class="fn">num_milliseconds</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the total number of whole milliseconds in the duration,</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.num_microseconds" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#204-208">source</a><h4 class="code-header">pub const fn <a href="#method.num_microseconds" class="fn">num_microseconds</a>(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>&gt;</h4></section></summary><div class="docblock"><p>Returns the total number of whole microseconds in the duration,
or <code>None</code> on overflow (exceeding 2^63 microseconds in either direction).</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.num_nanoseconds" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#212-216">source</a><h4 class="code-header">pub const fn <a href="#method.num_nanoseconds" class="fn">num_nanoseconds</a>(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i64.html">i64</a>&gt;</h4></section></summary><div class="docblock"><p>Returns the total number of whole nanoseconds in the duration,
or <code>None</code> on overflow (exceeding 2^63 nanoseconds in either direction).</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.checked_add" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#220-235">source</a><h4 class="code-header">pub fn <a href="#method.checked_add" class="fn">checked_add</a>(&amp;self, rhs: &amp;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt;</h4></section></summary><div class="docblock"><p>Add two durations, returning <code>None</code> if overflow occurred.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.checked_sub" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#239-254">source</a><h4 class="code-header">pub fn <a href="#method.checked_sub" class="fn">checked_sub</a>(&amp;self, rhs: &amp;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt;</h4></section></summary><div class="docblock"><p>Subtract two durations, returning <code>None</code> if overflow occurred.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.abs" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#258-264">source</a><h4 class="code-header">pub const fn <a href="#method.abs" class="fn">abs</a>(&amp;self) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>Returns the duration as an absolute (non-negative) value.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.min_value" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#268-270">source</a><h4 class="code-header">pub const fn <a href="#method.min_value" class="fn">min_value</a>() -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>The minimum possible <code>Duration</code>: <code>i64::MIN</code> milliseconds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.max_value" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#274-276">source</a><h4 class="code-header">pub const fn <a href="#method.max_value" class="fn">max_value</a>() -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>The maximum possible <code>Duration</code>: <code>i64::MAX</code> milliseconds.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.zero" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#280-282">source</a><h4 class="code-header">pub const fn <a href="#method.zero" class="fn">zero</a>() -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class="docblock"><p>A duration where the stored seconds and nanoseconds are equal to zero.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.is_zero" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#286-288">source</a><h4 class="code-header">pub const fn <a href="#method.is_zero" class="fn">is_zero</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns <code>true</code> if the duration equals <code>Duration::zero()</code>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.from_std" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#294-304">source</a><h4 class="code-header">pub fn <a href="#method.from_std" class="fn">from_std</a>(duration: <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/time/struct.Duration.html" title="struct core::time::Duration">StdDuration</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>, <a class="struct" href="struct.OutOfRangeError.html" title="struct chrono::OutOfRangeError">OutOfRangeError</a>&gt;</h4></section></summary><div class="docblock"><p>Creates a <code>time::Duration</code> object from <code>std::time::Duration</code></p>
<p>This function errors when original duration is larger than the maximum
value supported for this type.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.to_std" class="method"><a class="src rightside" href="../src/chrono/duration.rs.html#310-315">source</a><h4 class="code-header">pub fn <a href="#method.to_std" class="fn">to_std</a>(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.76.0/core/time/struct.Duration.html" title="struct core::time::Duration">StdDuration</a>, <a class="struct" href="struct.OutOfRangeError.html" title="struct chrono::OutOfRangeError">OutOfRangeError</a>&gt;</h4></section></summary><div class="docblock"><p>Creates a <code>std::time::Duration</code> object from <code>time::Duration</code></p>
<p>This function errors when duration is less than zero. As standard
library implementation is limited to non-negative values.</p>
</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Add%3CDuration%3E-for-Date%3CTz%3E" class="impl"><a class="src rightside" href="../src/chrono/date.rs.html#502-509">source</a><a href="#impl-Add%3CDuration%3E-for-Date%3CTz%3E" class="anchor">§</a><h3 class="code-header">impl&lt;Tz: <a class="trait" href="offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html" title="trait core::ops::arith::Add">Add</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.Date.html" title="struct chrono::Date">Date</a>&lt;Tz&gt;</h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-10" class="associatedtype trait-impl"><a href="#associatedtype.Output-10" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.Date.html" title="struct chrono::Date">Date</a>&lt;Tz&gt;</h4></section></summary><div class='docblock'>The resulting type after applying the <code>+</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.add-2" class="method trait-impl"><a class="src rightside" href="../src/chrono/date.rs.html#506-508">source</a><a href="#method.add-2" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add" class="fn">add</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="struct.Date.html" title="struct chrono::Date">Date</a>&lt;Tz&gt;</h4></section></summary><div class='docblock'>Performs the <code>+</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Add%3CDuration%3E-for-DateTime%3CTz%3E" class="impl"><a class="src rightside" href="../src/chrono/datetime/mod.rs.html#1211-1218">source</a><a href="#impl-Add%3CDuration%3E-for-DateTime%3CTz%3E" class="anchor">§</a><h3 class="code-header">impl&lt;Tz: <a class="trait" href="offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html" title="trait core::ops::arith::Add">Add</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.DateTime.html" title="struct chrono::DateTime">DateTime</a>&lt;Tz&gt;</h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-12" class="associatedtype trait-impl"><a href="#associatedtype.Output-12" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.DateTime.html" title="struct chrono::DateTime">DateTime</a>&lt;Tz&gt;</h4></section></summary><div class='docblock'>The resulting type after applying the <code>+</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.add-3" class="method trait-impl"><a class="src rightside" href="../src/chrono/datetime/mod.rs.html#1215-1217">source</a><a href="#method.add-3" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add" class="fn">add</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="struct.DateTime.html" title="struct chrono::DateTime">DateTime</a>&lt;Tz&gt;</h4></section></summary><div class='docblock'>Performs the <code>+</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Add%3CDuration%3E-for-NaiveDate" class="impl"><a class="src rightside" href="../src/chrono/naive/date.rs.html#1852-1859">source</a><a href="#impl-Add%3CDuration%3E-for-NaiveDate" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html" title="trait core::ops::arith::Add">Add</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></h3></section></summary><div class="docblock"><p>An addition of <code>Duration</code> to <code>NaiveDate</code> discards the fractional days,
rounding to the closest integral number of days towards <code>Duration::zero()</code>.</p>
<p>Panics on underflow or overflow. Use <a href="naive/struct.NaiveDate.html#method.checked_add_signed" title="method chrono::naive::NaiveDate::checked_add_signed"><code>NaiveDate::checked_add_signed</code></a> to detect that.</p>
<h4 id="example-5"><a href="#example-5">Example</a></h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>chrono::{Duration, NaiveDate};
<span class="kw">let </span>from_ymd = |y, m, d| NaiveDate::from_ymd_opt(y, m, d).unwrap();
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) + Duration::zero(), from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) + Duration::seconds(<span class="number">86399</span>), from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) + Duration::seconds(-<span class="number">86399</span>), from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) + Duration::days(<span class="number">1</span>), from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">2</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) + Duration::days(-<span class="number">1</span>), from_ymd(<span class="number">2013</span>, <span class="number">12</span>, <span class="number">31</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) + Duration::days(<span class="number">364</span>), from_ymd(<span class="number">2014</span>, <span class="number">12</span>, <span class="number">31</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) + Duration::days(<span class="number">365</span><span class="kw-2">*</span><span class="number">4 </span>+ <span class="number">1</span>), from_ymd(<span class="number">2018</span>, <span class="number">1</span>, <span class="number">1</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) + Duration::days(<span class="number">365</span><span class="kw-2">*</span><span class="number">400 </span>+ <span class="number">97</span>), from_ymd(<span class="number">2414</span>, <span class="number">1</span>, <span class="number">1</span>));</code></pre></div>
</div><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-14" class="associatedtype trait-impl"><a href="#associatedtype.Output-14" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>+</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.add-5" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/date.rs.html#1856-1858">source</a><a href="#method.add-5" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add" class="fn">add</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></h4></section></summary><div class='docblock'>Performs the <code>+</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Add%3CDuration%3E-for-NaiveDateTime" class="impl"><a class="src rightside" href="../src/chrono/naive/datetime/mod.rs.html#1553-1560">source</a><a href="#impl-Add%3CDuration%3E-for-NaiveDateTime" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html" title="trait core::ops::arith::Add">Add</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></h3></section></summary><div class="docblock"><p>An addition of <code>Duration</code> to <code>NaiveDateTime</code> yields another <code>NaiveDateTime</code>.</p>
<p>As a part of Chrono’s <a href="naive/struct.NaiveTime.html#leap-second-handling" title="struct chrono::naive::NaiveTime">leap second handling</a>, the addition assumes that <strong>there is no leap
second ever</strong>, except when the <code>NaiveDateTime</code> itself represents a leap second in which case
the assumption becomes that <strong>there is exactly a single leap second ever</strong>.</p>
<h4 id="panics"><a href="#panics">Panics</a></h4>
<p>Panics if the resulting date would be out of range. Use <a href="naive/struct.NaiveDateTime.html#method.checked_add_signed" title="method chrono::naive::NaiveDateTime::checked_add_signed"><code>NaiveDateTime::checked_add_signed</code></a>
to detect that.</p>
<h4 id="example-3"><a href="#example-3">Example</a></h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>chrono::{Duration, NaiveDate};
<span class="kw">let </span>from_ymd = |y, m, d| NaiveDate::from_ymd_opt(y, m, d).unwrap();
<span class="kw">let </span>d = from_ymd(<span class="number">2016</span>, <span class="number">7</span>, <span class="number">8</span>);
<span class="kw">let </span>hms = |h, m, s| d.and_hms_opt(h, m, s).unwrap();
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) + Duration::zero(), hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>));
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) + Duration::seconds(<span class="number">1</span>), hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">8</span>));
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) + Duration::seconds(-<span class="number">1</span>), hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">6</span>));
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) + Duration::seconds(<span class="number">3600 </span>+ <span class="number">60</span>), hms(<span class="number">4</span>, <span class="number">6</span>, <span class="number">7</span>));
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) + Duration::seconds(<span class="number">86_400</span>),
from_ymd(<span class="number">2016</span>, <span class="number">7</span>, <span class="number">9</span>).and_hms_opt(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>).unwrap());
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) + Duration::days(<span class="number">365</span>),
from_ymd(<span class="number">2017</span>, <span class="number">7</span>, <span class="number">8</span>).and_hms_opt(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>).unwrap());
<span class="kw">let </span>hmsm = |h, m, s, milli| d.and_hms_milli_opt(h, m, s, milli).unwrap();
<span class="macro">assert_eq!</span>(hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">980</span>) + Duration::milliseconds(<span class="number">450</span>), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">8</span>, <span class="number">430</span>));</code></pre></div>
<p>Leap seconds are handled,
but the addition assumes that it is the only leap second happened.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>leap = hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_300</span>);
<span class="macro">assert_eq!</span>(leap + Duration::zero(), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_300</span>));
<span class="macro">assert_eq!</span>(leap + Duration::milliseconds(-<span class="number">500</span>), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">800</span>));
<span class="macro">assert_eq!</span>(leap + Duration::milliseconds(<span class="number">500</span>), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_800</span>));
<span class="macro">assert_eq!</span>(leap + Duration::milliseconds(<span class="number">800</span>), hmsm(<span class="number">3</span>, <span class="number">6</span>, <span class="number">0</span>, <span class="number">100</span>));
<span class="macro">assert_eq!</span>(leap + Duration::seconds(<span class="number">10</span>), hmsm(<span class="number">3</span>, <span class="number">6</span>, <span class="number">9</span>, <span class="number">300</span>));
<span class="macro">assert_eq!</span>(leap + Duration::seconds(-<span class="number">10</span>), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">50</span>, <span class="number">300</span>));
<span class="macro">assert_eq!</span>(leap + Duration::days(<span class="number">1</span>),
from_ymd(<span class="number">2016</span>, <span class="number">7</span>, <span class="number">9</span>).and_hms_milli_opt(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">300</span>).unwrap());</code></pre></div>
</div><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-6" class="associatedtype trait-impl"><a href="#associatedtype.Output-6" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>+</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.add-1" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/datetime/mod.rs.html#1557-1559">source</a><a href="#method.add-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add" class="fn">add</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></h4></section></summary><div class='docblock'>Performs the <code>+</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Add%3CDuration%3E-for-NaiveTime" class="impl"><a class="src rightside" href="../src/chrono/naive/time/mod.rs.html#1119-1126">source</a><a href="#impl-Add%3CDuration%3E-for-NaiveTime" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html" title="trait core::ops::arith::Add">Add</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveTime.html" title="struct chrono::naive::NaiveTime">NaiveTime</a></h3></section></summary><div class="docblock"><p>An addition of <code>Duration</code> to <code>NaiveTime</code> wraps around and never overflows or underflows.
In particular the addition ignores integral number of days.</p>
<p>As a part of Chrono’s <a href="naive/struct.NaiveTime.html#leap-second-handling" title="struct chrono::naive::NaiveTime">leap second handling</a>, the addition assumes that <strong>there is no leap
second ever</strong>, except when the <code>NaiveTime</code> itself represents a leap second in which case the
assumption becomes that <strong>there is exactly a single leap second ever</strong>.</p>
<h4 id="example"><a href="#example">Example</a></h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>chrono::{Duration, NaiveTime};
<span class="kw">let </span>from_hmsm = |h, m, s, milli| { NaiveTime::from_hms_milli_opt(h, m, s, milli).unwrap() };
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::zero(), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::seconds(<span class="number">1</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">8</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::seconds(-<span class="number">1</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::seconds(<span class="number">60 </span>+ <span class="number">4</span>), from_hmsm(<span class="number">3</span>, <span class="number">6</span>, <span class="number">11</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::seconds(<span class="number">7</span><span class="kw-2">*</span><span class="number">60</span><span class="kw-2">*</span><span class="number">60 </span>- <span class="number">6</span><span class="kw-2">*</span><span class="number">60</span>), from_hmsm(<span class="number">9</span>, <span class="number">59</span>, <span class="number">7</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::milliseconds(<span class="number">80</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">80</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">950</span>) + Duration::milliseconds(<span class="number">280</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">8</span>, <span class="number">230</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">950</span>) + Duration::milliseconds(-<span class="number">980</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">970</span>));</code></pre></div>
<p>The addition wraps around.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::seconds(<span class="number">22</span><span class="kw-2">*</span><span class="number">60</span><span class="kw-2">*</span><span class="number">60</span>), from_hmsm(<span class="number">1</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::seconds(-<span class="number">8</span><span class="kw-2">*</span><span class="number">60</span><span class="kw-2">*</span><span class="number">60</span>), from_hmsm(<span class="number">19</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) + Duration::days(<span class="number">800</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>));</code></pre></div>
<p>Leap seconds are handled, but the addition assumes that it is the only leap second happened.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>leap = from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_300</span>);
<span class="macro">assert_eq!</span>(leap + Duration::zero(), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_300</span>));
<span class="macro">assert_eq!</span>(leap + Duration::milliseconds(-<span class="number">500</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">800</span>));
<span class="macro">assert_eq!</span>(leap + Duration::milliseconds(<span class="number">500</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_800</span>));
<span class="macro">assert_eq!</span>(leap + Duration::milliseconds(<span class="number">800</span>), from_hmsm(<span class="number">3</span>, <span class="number">6</span>, <span class="number">0</span>, <span class="number">100</span>));
<span class="macro">assert_eq!</span>(leap + Duration::seconds(<span class="number">10</span>), from_hmsm(<span class="number">3</span>, <span class="number">6</span>, <span class="number">9</span>, <span class="number">300</span>));
<span class="macro">assert_eq!</span>(leap + Duration::seconds(-<span class="number">10</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">50</span>, <span class="number">300</span>));
<span class="macro">assert_eq!</span>(leap + Duration::days(<span class="number">1</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">300</span>));</code></pre></div>
</div><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output" class="associatedtype trait-impl"><a href="#associatedtype.Output" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="naive/struct.NaiveTime.html" title="struct chrono::naive::NaiveTime">NaiveTime</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>+</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.add" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/time/mod.rs.html#1123-1125">source</a><a href="#method.add" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add" class="fn">add</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="naive/struct.NaiveTime.html" title="struct chrono::naive::NaiveTime">NaiveTime</a></h4></section></summary><div class='docblock'>Performs the <code>+</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Add-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#331-343">source</a><a href="#impl-Add-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html" title="trait core::ops::arith::Add">Add</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-13" class="associatedtype trait-impl"><a href="#associatedtype.Output-13" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>+</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.add-4" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#334-342">source</a><a href="#method.add-4" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add" class="fn">add</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>Performs the <code>+</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Add.html#tymethod.add">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-AddAssign%3CDuration%3E-for-Date%3CTz%3E" class="impl"><a class="src rightside" href="../src/chrono/date.rs.html#511-516">source</a><a href="#impl-AddAssign%3CDuration%3E-for-Date%3CTz%3E" class="anchor">§</a><h3 class="code-header">impl&lt;Tz: <a class="trait" href="offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html" title="trait core::ops::arith::AddAssign">AddAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.Date.html" title="struct chrono::Date">Date</a>&lt;Tz&gt;</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.add_assign" class="method trait-impl"><a class="src rightside" href="../src/chrono/date.rs.html#513-515">source</a><a href="#method.add_assign" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign" class="fn">add_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>+=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-AddAssign%3CDuration%3E-for-DateTime%3CTz%3E" class="impl"><a class="src rightside" href="../src/chrono/datetime/mod.rs.html#1231-1239">source</a><a href="#impl-AddAssign%3CDuration%3E-for-DateTime%3CTz%3E" class="anchor">§</a><h3 class="code-header">impl&lt;Tz: <a class="trait" href="offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html" title="trait core::ops::arith::AddAssign">AddAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.DateTime.html" title="struct chrono::DateTime">DateTime</a>&lt;Tz&gt;</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.add_assign-4" class="method trait-impl"><a class="src rightside" href="../src/chrono/datetime/mod.rs.html#1233-1238">source</a><a href="#method.add_assign-4" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign" class="fn">add_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>+=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-AddAssign%3CDuration%3E-for-NaiveDate" class="impl"><a class="src rightside" href="../src/chrono/naive/date.rs.html#1861-1866">source</a><a href="#impl-AddAssign%3CDuration%3E-for-NaiveDate" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html" title="trait core::ops::arith::AddAssign">AddAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.add_assign-1" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/date.rs.html#1863-1865">source</a><a href="#method.add_assign-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign" class="fn">add_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>+=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-AddAssign%3CDuration%3E-for-NaiveDateTime" class="impl"><a class="src rightside" href="../src/chrono/naive/datetime/mod.rs.html#1573-1578">source</a><a href="#impl-AddAssign%3CDuration%3E-for-NaiveDateTime" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html" title="trait core::ops::arith::AddAssign">AddAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.add_assign-2" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/datetime/mod.rs.html#1575-1577">source</a><a href="#method.add_assign-2" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign" class="fn">add_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>+=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-AddAssign%3CDuration%3E-for-NaiveTime" class="impl"><a class="src rightside" href="../src/chrono/naive/time/mod.rs.html#1128-1133">source</a><a href="#impl-AddAssign%3CDuration%3E-for-NaiveTime" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html" title="trait core::ops::arith::AddAssign">AddAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveTime.html" title="struct chrono::naive::NaiveTime">NaiveTime</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.add_assign-3" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/time/mod.rs.html#1130-1132">source</a><a href="#method.add_assign-3" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign" class="fn">add_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>+=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.AddAssign.html#tymethod.add_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-Clone-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&amp;self) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/clone.rs.html#169">source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Self</a>)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-Debug-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.76.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Display-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#403-435">source</a><a href="#impl-Display-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt-1" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#407-434">source</a><a href="#method.fmt-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Display.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.76.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class="docblock"><p>Format a duration using the <a href="https://en.wikipedia.org/wiki/ISO_8601#Durations">ISO 8601</a> format</p>
</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Div%3Ci32%3E-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#371-389">source</a><a href="#impl-Div%3Ci32%3E-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Div.html" title="trait core::ops::arith::Div">Div</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i32.html">i32</a>&gt; for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-4" class="associatedtype trait-impl"><a href="#associatedtype.Output-4" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Div.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>/</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.div" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#374-388">source</a><a href="#method.div" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Div.html#tymethod.div" class="fn">div</a>(self, rhs: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i32.html">i32</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>Performs the <code>/</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Div.html#tymethod.div">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Hash-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-Hash-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.hash" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#method.hash" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hash.html#tymethod.hash" class="fn">hash</a>&lt;__H: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>&gt;(&amp;self, state: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut __H</a>)</h4></section></summary><div class='docblock'>Feeds this value into the given <a href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hasher.html" title="trait core::hash::Hasher"><code>Hasher</code></a>. <a href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hash.html#tymethod.hash">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.hash_slice" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.3.0">1.3.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/hash/mod.rs.html#238-240">source</a></span><a href="#method.hash_slice" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hash.html#method.hash_slice" class="fn">hash_slice</a>&lt;H&gt;(data: &amp;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.slice.html">[Self]</a>, state: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut H</a>)<div class="where">where
H: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>,
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Feeds a slice of this type into the given <a href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hasher.html" title="trait core::hash::Hasher"><code>Hasher</code></a>. <a href="https://doc.rust-lang.org/1.76.0/core/hash/trait.Hash.html#method.hash_slice">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Mul%3Ci32%3E-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#359-369">source</a><a href="#impl-Mul%3Ci32%3E-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Mul.html" title="trait core::ops::arith::Mul">Mul</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i32.html">i32</a>&gt; for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-11" class="associatedtype trait-impl"><a href="#associatedtype.Output-11" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Mul.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>*</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.mul" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#362-368">source</a><a href="#method.mul" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Mul.html#tymethod.mul" class="fn">mul</a>(self, rhs: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.i32.html">i32</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>Performs the <code>*</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Mul.html#tymethod.mul">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Neg-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#318-329">source</a><a href="#impl-Neg-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Neg.html" title="trait core::ops::arith::Neg">Neg</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-8" class="associatedtype trait-impl"><a href="#associatedtype.Output-8" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Neg.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>-</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.neg" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#322-328">source</a><a href="#method.neg" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Neg.html#tymethod.neg" class="fn">neg</a>(self) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>Performs the unary <code>-</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Neg.html#tymethod.neg">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Ord-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-Ord-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.cmp" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#method.cmp" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#tymethod.cmp" class="fn">cmp</a>(&amp;self, other: &amp;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a></h4></section></summary><div class='docblock'>This method returns an <a href="https://doc.rust-lang.org/1.76.0/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering"><code>Ordering</code></a> between <code>self</code> and <code>other</code>. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#tymethod.cmp">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.max" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.21.0">1.21.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#829-831">source</a></span><a href="#method.max" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.max" class="fn">max</a>(self, other: Self) -&gt; Self<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Compares and returns the maximum of two values. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.max">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.min" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.21.0">1.21.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#849-851">source</a></span><a href="#method.min" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.min" class="fn">min</a>(self, other: Self) -&gt; Self<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Compares and returns the minimum of two values. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.min">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clamp" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.50.0">1.50.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#874-877">source</a></span><a href="#method.clamp" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.clamp" class="fn">clamp</a>(self, min: Self, max: Self) -&gt; Self<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>,</div></h4></section></summary><div class='docblock'>Restrict a value to a certain interval. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.clamp">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialEq-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-PartialEq-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#tymethod.eq" class="fn">eq</a>(&amp;self, other: &amp;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#242">source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#method.ne" class="fn">ne</a>(&amp;self, other: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Rhs</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>This method tests for <code>!=</code>. The default implementation is almost always
sufficient, and should not be overridden without very good reason.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialOrd-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-PartialOrd-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.partial_cmp" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#method.partial_cmp" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#tymethod.partial_cmp" class="fn">partial_cmp</a>(&amp;self, other: &amp;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.76.0/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>&gt;</h4></section></summary><div class='docblock'>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#tymethod.partial_cmp">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.lt" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#1125">source</a></span><a href="#method.lt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.lt" class="fn">lt</a>(&amp;self, other: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Rhs</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code>&lt;</code> operator. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.lt">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.le" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#1142">source</a></span><a href="#method.le" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.le" class="fn">le</a>(&amp;self, other: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Rhs</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>This method tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>&lt;=</code>
operator. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.le">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.gt" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#1158">source</a></span><a href="#method.gt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.gt" class="fn">gt</a>(&amp;self, other: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Rhs</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>&gt;</code> operator. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.gt">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.ge" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#1175">source</a></span><a href="#method.ge" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.ge" class="fn">ge</a>(&amp;self, other: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Rhs</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>This method tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>&gt;=</code>
operator. <a href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.ge">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Sub%3CDuration%3E-for-Date%3CTz%3E" class="impl"><a class="src rightside" href="../src/chrono/date.rs.html#518-525">source</a><a href="#impl-Sub%3CDuration%3E-for-Date%3CTz%3E" class="anchor">§</a><h3 class="code-header">impl&lt;Tz: <a class="trait" href="offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html" title="trait core::ops::arith::Sub">Sub</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.Date.html" title="struct chrono::Date">Date</a>&lt;Tz&gt;</h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-1" class="associatedtype trait-impl"><a href="#associatedtype.Output-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.Date.html" title="struct chrono::Date">Date</a>&lt;Tz&gt;</h4></section></summary><div class='docblock'>The resulting type after applying the <code>-</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.sub" class="method trait-impl"><a class="src rightside" href="../src/chrono/date.rs.html#522-524">source</a><a href="#method.sub" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub" class="fn">sub</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="struct.Date.html" title="struct chrono::Date">Date</a>&lt;Tz&gt;</h4></section></summary><div class='docblock'>Performs the <code>-</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Sub%3CDuration%3E-for-DateTime%3CTz%3E" class="impl"><a class="src rightside" href="../src/chrono/datetime/mod.rs.html#1258-1265">source</a><a href="#impl-Sub%3CDuration%3E-for-DateTime%3CTz%3E" class="anchor">§</a><h3 class="code-header">impl&lt;Tz: <a class="trait" href="offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html" title="trait core::ops::arith::Sub">Sub</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.DateTime.html" title="struct chrono::DateTime">DateTime</a>&lt;Tz&gt;</h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-9" class="associatedtype trait-impl"><a href="#associatedtype.Output-9" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.DateTime.html" title="struct chrono::DateTime">DateTime</a>&lt;Tz&gt;</h4></section></summary><div class='docblock'>The resulting type after applying the <code>-</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.sub-5" class="method trait-impl"><a class="src rightside" href="../src/chrono/datetime/mod.rs.html#1262-1264">source</a><a href="#method.sub-5" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub" class="fn">sub</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="struct.DateTime.html" title="struct chrono::DateTime">DateTime</a>&lt;Tz&gt;</h4></section></summary><div class='docblock'>Performs the <code>-</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Sub%3CDuration%3E-for-NaiveDate" class="impl"><a class="src rightside" href="../src/chrono/naive/date.rs.html#1961-1968">source</a><a href="#impl-Sub%3CDuration%3E-for-NaiveDate" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html" title="trait core::ops::arith::Sub">Sub</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></h3></section></summary><div class="docblock"><p>A subtraction of <code>Duration</code> from <code>NaiveDate</code> discards the fractional days,
rounding to the closest integral number of days towards <code>Duration::zero()</code>.
It is the same as the addition with a negated <code>Duration</code>.</p>
<p>Panics on underflow or overflow. Use <a href="naive/struct.NaiveDate.html#method.checked_sub_signed" title="method chrono::naive::NaiveDate::checked_sub_signed"><code>NaiveDate::checked_sub_signed</code></a> to detect that.</p>
<h4 id="example-1"><a href="#example-1">Example</a></h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>chrono::{Duration, NaiveDate};
<span class="kw">let </span>from_ymd = |y, m, d| NaiveDate::from_ymd_opt(y, m, d).unwrap();
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) - Duration::zero(), from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) - Duration::seconds(<span class="number">86399</span>), from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) - Duration::seconds(-<span class="number">86399</span>), from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) - Duration::days(<span class="number">1</span>), from_ymd(<span class="number">2013</span>, <span class="number">12</span>, <span class="number">31</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) - Duration::days(-<span class="number">1</span>), from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">2</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) - Duration::days(<span class="number">364</span>), from_ymd(<span class="number">2013</span>, <span class="number">1</span>, <span class="number">2</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) - Duration::days(<span class="number">365</span><span class="kw-2">*</span><span class="number">4 </span>+ <span class="number">1</span>), from_ymd(<span class="number">2010</span>, <span class="number">1</span>, <span class="number">1</span>));
<span class="macro">assert_eq!</span>(from_ymd(<span class="number">2014</span>, <span class="number">1</span>, <span class="number">1</span>) - Duration::days(<span class="number">365</span><span class="kw-2">*</span><span class="number">400 </span>+ <span class="number">97</span>), from_ymd(<span class="number">1614</span>, <span class="number">1</span>, <span class="number">1</span>));</code></pre></div>
</div><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-3" class="associatedtype trait-impl"><a href="#associatedtype.Output-3" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>-</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.sub-2" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/date.rs.html#1965-1967">source</a><a href="#method.sub-2" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub" class="fn">sub</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></h4></section></summary><div class='docblock'>Performs the <code>-</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Sub%3CDuration%3E-for-NaiveDateTime" class="impl"><a class="src rightside" href="../src/chrono/naive/datetime/mod.rs.html#1680-1687">source</a><a href="#impl-Sub%3CDuration%3E-for-NaiveDateTime" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html" title="trait core::ops::arith::Sub">Sub</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></h3></section></summary><div class="docblock"><p>A subtraction of <code>Duration</code> from <code>NaiveDateTime</code> yields another <code>NaiveDateTime</code>.
It is the same as the addition with a negated <code>Duration</code>.</p>
<p>As a part of Chrono’s <a href="naive/struct.NaiveTime.html#leap-second-handling" title="struct chrono::naive::NaiveTime">leap second handling</a> the subtraction assumes that <strong>there is no leap
second ever</strong>, except when the <code>NaiveDateTime</code> itself represents a leap second in which case
the assumption becomes that <strong>there is exactly a single leap second ever</strong>.</p>
<p>Panics on underflow or overflow. Use <a href="naive/struct.NaiveDateTime.html#method.checked_sub_signed" title="method chrono::naive::NaiveDateTime::checked_sub_signed"><code>NaiveDateTime::checked_sub_signed</code></a>
to detect that.</p>
<h4 id="example-2"><a href="#example-2">Example</a></h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>chrono::{Duration, NaiveDate};
<span class="kw">let </span>from_ymd = |y, m, d| NaiveDate::from_ymd_opt(y, m, d).unwrap();
<span class="kw">let </span>d = from_ymd(<span class="number">2016</span>, <span class="number">7</span>, <span class="number">8</span>);
<span class="kw">let </span>hms = |h, m, s| d.and_hms_opt(h, m, s).unwrap();
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) - Duration::zero(), hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>));
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) - Duration::seconds(<span class="number">1</span>), hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">6</span>));
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) - Duration::seconds(-<span class="number">1</span>), hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">8</span>));
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) - Duration::seconds(<span class="number">3600 </span>+ <span class="number">60</span>), hms(<span class="number">2</span>, <span class="number">4</span>, <span class="number">7</span>));
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) - Duration::seconds(<span class="number">86_400</span>),
from_ymd(<span class="number">2016</span>, <span class="number">7</span>, <span class="number">7</span>).and_hms_opt(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>).unwrap());
<span class="macro">assert_eq!</span>(hms(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>) - Duration::days(<span class="number">365</span>),
from_ymd(<span class="number">2015</span>, <span class="number">7</span>, <span class="number">9</span>).and_hms_opt(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>).unwrap());
<span class="kw">let </span>hmsm = |h, m, s, milli| d.and_hms_milli_opt(h, m, s, milli).unwrap();
<span class="macro">assert_eq!</span>(hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">450</span>) - Duration::milliseconds(<span class="number">670</span>), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">780</span>));</code></pre></div>
<p>Leap seconds are handled,
but the subtraction assumes that it is the only leap second happened.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>leap = hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_300</span>);
<span class="macro">assert_eq!</span>(leap - Duration::zero(), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_300</span>));
<span class="macro">assert_eq!</span>(leap - Duration::milliseconds(<span class="number">200</span>), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_100</span>));
<span class="macro">assert_eq!</span>(leap - Duration::milliseconds(<span class="number">500</span>), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">800</span>));
<span class="macro">assert_eq!</span>(leap - Duration::seconds(<span class="number">60</span>), hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">0</span>, <span class="number">300</span>));
<span class="macro">assert_eq!</span>(leap - Duration::days(<span class="number">1</span>),
from_ymd(<span class="number">2016</span>, <span class="number">7</span>, <span class="number">7</span>).and_hms_milli_opt(<span class="number">3</span>, <span class="number">6</span>, <span class="number">0</span>, <span class="number">300</span>).unwrap());</code></pre></div>
</div><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-5" class="associatedtype trait-impl"><a href="#associatedtype.Output-5" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>-</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.sub-3" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/datetime/mod.rs.html#1684-1686">source</a><a href="#method.sub-3" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub" class="fn">sub</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></h4></section></summary><div class='docblock'>Performs the <code>-</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Sub%3CDuration%3E-for-NaiveTime" class="impl"><a class="src rightside" href="../src/chrono/naive/time/mod.rs.html#1201-1208">source</a><a href="#impl-Sub%3CDuration%3E-for-NaiveTime" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html" title="trait core::ops::arith::Sub">Sub</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveTime.html" title="struct chrono::naive::NaiveTime">NaiveTime</a></h3></section></summary><div class="docblock"><p>A subtraction of <code>Duration</code> from <code>NaiveTime</code> wraps around and never overflows or underflows.
In particular the addition ignores integral number of days.
It is the same as the addition with a negated <code>Duration</code>.</p>
<p>As a part of Chrono’s <a href="naive/struct.NaiveTime.html#leap-second-handling" title="struct chrono::naive::NaiveTime">leap second handling</a>, the subtraction assumes that <strong>there is no leap
second ever</strong>, except when the <code>NaiveTime</code> itself represents a leap second in which case the
assumption becomes that <strong>there is exactly a single leap second ever</strong>.</p>
<h4 id="example-4"><a href="#example-4">Example</a></h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>chrono::{Duration, NaiveTime};
<span class="kw">let </span>from_hmsm = |h, m, s, milli| { NaiveTime::from_hms_milli_opt(h, m, s, milli).unwrap() };
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) - Duration::zero(), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) - Duration::seconds(<span class="number">1</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) - Duration::seconds(<span class="number">60 </span>+ <span class="number">5</span>), from_hmsm(<span class="number">3</span>, <span class="number">4</span>, <span class="number">2</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) - Duration::seconds(<span class="number">2</span><span class="kw-2">*</span><span class="number">60</span><span class="kw-2">*</span><span class="number">60 </span>+ <span class="number">6</span><span class="kw-2">*</span><span class="number">60</span>), from_hmsm(<span class="number">0</span>, <span class="number">59</span>, <span class="number">7</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) - Duration::milliseconds(<span class="number">80</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">920</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">950</span>) - Duration::milliseconds(<span class="number">280</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">670</span>));</code></pre></div>
<p>The subtraction wraps around.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) - Duration::seconds(<span class="number">8</span><span class="kw-2">*</span><span class="number">60</span><span class="kw-2">*</span><span class="number">60</span>), from_hmsm(<span class="number">19</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>));
<span class="macro">assert_eq!</span>(from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>) - Duration::days(<span class="number">800</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">7</span>, <span class="number">0</span>));</code></pre></div>
<p>Leap seconds are handled, but the subtraction assumes that it is the only leap second happened.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>leap = from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_300</span>);
<span class="macro">assert_eq!</span>(leap - Duration::zero(), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_300</span>));
<span class="macro">assert_eq!</span>(leap - Duration::milliseconds(<span class="number">200</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">1_100</span>));
<span class="macro">assert_eq!</span>(leap - Duration::milliseconds(<span class="number">500</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">59</span>, <span class="number">800</span>));
<span class="macro">assert_eq!</span>(leap - Duration::seconds(<span class="number">60</span>), from_hmsm(<span class="number">3</span>, <span class="number">5</span>, <span class="number">0</span>, <span class="number">300</span>));
<span class="macro">assert_eq!</span>(leap - Duration::days(<span class="number">1</span>), from_hmsm(<span class="number">3</span>, <span class="number">6</span>, <span class="number">0</span>, <span class="number">300</span>));</code></pre></div>
</div><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-7" class="associatedtype trait-impl"><a href="#associatedtype.Output-7" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="naive/struct.NaiveTime.html" title="struct chrono::naive::NaiveTime">NaiveTime</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>-</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.sub-4" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/time/mod.rs.html#1205-1207">source</a><a href="#method.sub-4" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub" class="fn">sub</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>) -&gt; <a class="struct" href="naive/struct.NaiveTime.html" title="struct chrono::naive::NaiveTime">NaiveTime</a></h4></section></summary><div class='docblock'>Performs the <code>-</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Sub-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#345-357">source</a><a href="#impl-Sub-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html" title="trait core::ops::arith::Sub">Sub</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-2" class="associatedtype trait-impl"><a href="#associatedtype.Output-2" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>The resulting type after applying the <code>-</code> operator.</div></details><details class="toggle method-toggle" open><summary><section id="method.sub-1" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#348-356">source</a><a href="#method.sub-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub" class="fn">sub</a>(self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>Performs the <code>-</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.Sub.html#tymethod.sub">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-SubAssign%3CDuration%3E-for-Date%3CTz%3E" class="impl"><a class="src rightside" href="../src/chrono/date.rs.html#527-532">source</a><a href="#impl-SubAssign%3CDuration%3E-for-Date%3CTz%3E" class="anchor">§</a><h3 class="code-header">impl&lt;Tz: <a class="trait" href="offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html" title="trait core::ops::arith::SubAssign">SubAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.Date.html" title="struct chrono::Date">Date</a>&lt;Tz&gt;</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.sub_assign-1" class="method trait-impl"><a class="src rightside" href="../src/chrono/date.rs.html#529-531">source</a><a href="#method.sub_assign-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign" class="fn">sub_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>-=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-SubAssign%3CDuration%3E-for-DateTime%3CTz%3E" class="impl"><a class="src rightside" href="../src/chrono/datetime/mod.rs.html#1278-1286">source</a><a href="#impl-SubAssign%3CDuration%3E-for-DateTime%3CTz%3E" class="anchor">§</a><h3 class="code-header">impl&lt;Tz: <a class="trait" href="offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html" title="trait core::ops::arith::SubAssign">SubAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.DateTime.html" title="struct chrono::DateTime">DateTime</a>&lt;Tz&gt;</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.sub_assign-3" class="method trait-impl"><a class="src rightside" href="../src/chrono/datetime/mod.rs.html#1280-1285">source</a><a href="#method.sub_assign-3" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign" class="fn">sub_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>-=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-SubAssign%3CDuration%3E-for-NaiveDate" class="impl"><a class="src rightside" href="../src/chrono/naive/date.rs.html#1970-1975">source</a><a href="#impl-SubAssign%3CDuration%3E-for-NaiveDate" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html" title="trait core::ops::arith::SubAssign">SubAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.sub_assign" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/date.rs.html#1972-1974">source</a><a href="#method.sub_assign" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign" class="fn">sub_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>-=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-SubAssign%3CDuration%3E-for-NaiveDateTime" class="impl"><a class="src rightside" href="../src/chrono/naive/datetime/mod.rs.html#1700-1705">source</a><a href="#impl-SubAssign%3CDuration%3E-for-NaiveDateTime" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html" title="trait core::ops::arith::SubAssign">SubAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.sub_assign-4" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/datetime/mod.rs.html#1702-1704">source</a><a href="#method.sub_assign-4" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign" class="fn">sub_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>-=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-SubAssign%3CDuration%3E-for-NaiveTime" class="impl"><a class="src rightside" href="../src/chrono/naive/time/mod.rs.html#1210-1215">source</a><a href="#impl-SubAssign%3CDuration%3E-for-NaiveTime" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html" title="trait core::ops::arith::SubAssign">SubAssign</a>&lt;<a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="naive/struct.NaiveTime.html" title="struct chrono::naive::NaiveTime">NaiveTime</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.sub_assign-2" class="method trait-impl"><a class="src rightside" href="../src/chrono/naive/time/mod.rs.html#1212-1214">source</a><a href="#method.sub_assign-2" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign" class="fn">sub_assign</a>(&amp;mut self, rhs: <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">OldDuration</a>)</h4></section></summary><div class='docblock'>Performs the <code>-=</code> operation. <a href="https://doc.rust-lang.org/1.76.0/core/ops/arith/trait.SubAssign.html#tymethod.sub_assign">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Sum%3C%26Duration%3E-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#391-395">source</a><a href="#impl-Sum%3C%26Duration%3E-for-Duration" class="anchor">§</a><h3 class="code-header">impl&lt;'a&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/iter/traits/accum/trait.Sum.html" title="trait core::iter::traits::accum::Sum">Sum</a>&lt;&amp;'a <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt; for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.sum-1" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#392-394">source</a><a href="#method.sum-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/iter/traits/accum/trait.Sum.html#tymethod.sum" class="fn">sum</a>&lt;I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a>&lt;Item = &amp;'a <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt;&gt;(iter: I) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>Method which takes an iterator and generates <code>Self</code> from the elements by
“summing up” the items.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Sum-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#397-401">source</a><a href="#impl-Sum-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/iter/traits/accum/trait.Sum.html" title="trait core::iter::traits::accum::Sum">Sum</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.sum" class="method trait-impl"><a class="src rightside" href="../src/chrono/duration.rs.html#398-400">source</a><a href="#method.sum" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/iter/traits/accum/trait.Sum.html#tymethod.sum" class="fn">sum</a>&lt;I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a>&lt;Item = <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a>&gt;&gt;(iter: I) -&gt; <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h4></section></summary><div class='docblock'>Method which takes an iterator and generates <code>Self</code> from the elements by
“summing up” the items.</div></details></div></details><section id="impl-Copy-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-Copy-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section><section id="impl-Eq-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-Eq-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section><section id="impl-StructuralEq-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-StructuralEq-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.StructuralEq.html" title="trait core::marker::StructuralEq">StructuralEq</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section><section id="impl-StructuralPartialEq-for-Duration" class="impl"><a class="src rightside" href="../src/chrono/duration.rs.html#53">source</a><a href="#impl-StructuralPartialEq-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-Duration" class="impl"><a href="#impl-RefUnwindSafe-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section><section id="impl-Send-for-Duration" class="impl"><a href="#impl-Send-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section><section id="impl-Sync-for-Duration" class="impl"><a href="#impl-Sync-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section><section id="impl-Unpin-for-Duration" class="impl"><a href="#impl-Unpin-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section><section id="impl-UnwindSafe-for-Duration" class="impl"><a href="#impl-UnwindSafe-for-Duration" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Duration.html" title="struct chrono::Duration">Duration</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#140">source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#141">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#208">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#216">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#763">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#766">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#747-749">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#756">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#83-85">source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#88">source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#92">source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToString-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/string.rs.html#2600">source</a><a href="#impl-ToString-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/alloc/string/trait.ToString.html" title="trait alloc::string::ToString">ToString</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.to_string" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/string.rs.html#2606">source</a><a href="#method.to_string" class="anchor">§</a><h4 class="code-header">default fn <a href="https://doc.rust-lang.org/1.76.0/alloc/string/trait.ToString.html#tymethod.to_string" class="fn">to_string</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.76.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h4></section></summary><div class='docblock'>Converts the given value to a <code>String</code>. <a href="https://doc.rust-lang.org/1.76.0/alloc/string/trait.ToString.html#tymethod.to_string">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#803-805">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#810">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#788-790">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#795">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>
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