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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="Utility types for attribute parsing."><title>darling_core::util - 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="darling_core" 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 mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../darling_core/index.html">darling_core</a><span class="version">0.20.3</span></h2></div><h2 class="location"><a href="#">Module util</a></h2><div class="sidebar-elems"><section><ul class="block"><li><a href="#modules">Modules</a></li><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li><li><a href="#functions">Functions</a></li></ul></section><h2><a href="../index.html">In crate darling_core</a></h2></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../darling_core/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>Module <a href="../index.html">darling_core</a>::<wbr><a class="mod" href="#">util</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/darling_core/util/mod.rs.html#1-24">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Utility types for attribute parsing.</p>
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</div></details><h2 id="modules" class="section-header"><a href="#modules">Modules</a></h2><ul class="item-table"><li><div class="item-name"><a class="mod" href="parse_expr/index.html" title="mod darling_core::util::parse_expr">parse_expr</a></div><div class="desc docblock-short">Functions to use with <code>#[darling(with = "...")]</code> that control how quoted values
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in <a href="../../syn/attr/enum.Meta.html" title="enum syn::attr::Meta"><code>Meta</code></a> instances are parsed into <a href="../../syn/expr/enum.Expr.html" title="enum syn::expr::Expr"><code>Expr</code></a> fields.</div></li></ul><h2 id="structs" class="section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.Flag.html" title="struct darling_core::util::Flag">Flag</a></div><div class="desc docblock-short">A meta-item that can be present as a word - with no value - or absent.</div></li><li><div class="item-name"><a class="struct" href="struct.IdentString.html" title="struct darling_core::util::IdentString">IdentString</a></div><div class="desc docblock-short">A wrapper for an <code>Ident</code> which also keeps the value as a string.</div></li><li><div class="item-name"><a class="struct" href="struct.Ignored.html" title="struct darling_core::util::Ignored">Ignored</a></div><div class="desc docblock-short">An efficient way of discarding data from a syntax element.</div></li><li><div class="item-name"><a class="struct" href="struct.PathList.html" title="struct darling_core::util::PathList">PathList</a></div><div class="desc docblock-short">A list of <code>syn::Path</code> instances. This type is used to extract a list of paths from an
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attribute.</div></li><li><div class="item-name"><a class="struct" href="struct.ShapeSet.html" title="struct darling_core::util::ShapeSet">ShapeSet</a></div><div class="desc docblock-short">A set of <a href="enum.Shape.html" title="enum darling_core::util::Shape"><code>Shape</code></a> values, which correctly handles the relationship between
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<a href="enum.Shape.html#variant.Newtype" title="enum darling_core::util::Shape">newtype</a> and <a href="enum.Shape.html#variant.Tuple" title="enum darling_core::util::Shape">tuple</a> shapes.</div></li><li><div class="item-name"><a class="struct" href="struct.SpannedValue.html" title="struct darling_core::util::SpannedValue">SpannedValue</a></div><div class="desc docblock-short">A value and an associated position in source code. The main use case for this is
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to preserve position information to emit warnings from proc macros. You can use
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a <code>SpannedValue<T></code> as a field in any struct that implements or derives any of
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<code>darling</code>’s core traits.</div></li><li><div class="item-name"><a class="struct" href="struct.WithOriginal.html" title="struct darling_core::util::WithOriginal">WithOriginal</a></div><div class="desc docblock-short">A container to parse some syntax and retain access to the original.</div></li></ul><h2 id="enums" class="section-header"><a href="#enums">Enums</a></h2><ul class="item-table"><li><div class="item-name"><a class="enum" href="enum.Override.html" title="enum darling_core::util::Override">Override</a></div><div class="desc docblock-short">A value which can inherit a default value or have an explicit value specified.</div></li><li><div class="item-name"><a class="enum" href="enum.Shape.html" title="enum darling_core::util::Shape">Shape</a></div><div class="desc docblock-short">Description of how fields in a struct or variant are syntactically laid out.</div></li></ul><h2 id="traits" class="section-header"><a href="#traits">Traits</a></h2><ul class="item-table"><li><div class="item-name"><a class="trait" href="trait.AsShape.html" title="trait darling_core::util::AsShape">AsShape</a></div><div class="desc docblock-short">Get the “shape” of a fields container, such as a struct or variant.</div></li></ul><h2 id="functions" class="section-header"><a href="#functions">Functions</a></h2><ul class="item-table"><li><div class="item-name"><a class="fn" href="fn.parse_attribute_to_meta_list.html" title="fn darling_core::util::parse_attribute_to_meta_list">parse_attribute_to_meta_list</a></div><div class="desc docblock-short">Try to parse an attribute into a meta list. Path-type meta values are accepted and returned
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as empty lists with their passed-in path. Name-value meta values and non-meta attributes
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will cause errors to be returned.</div></li><li><div class="item-name"><a class="fn" href="fn.path_to_string.html" title="fn darling_core::util::path_to_string">path_to_string</a></div><div class="desc docblock-short">Transform Rust paths to a readable and comparable string.</div></li></ul></section></div></main></body></html> |