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10 lines
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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><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.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="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.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]--><rustdoc-topbar><h2><a href="#">Module util</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../darling_core/index.html">darling_<wbr>core</a><span class="version">0.20.11</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module util</a></h2><h3><a href="#modules">Module Items</a></h3><ul class="block"><li><a href="#modules" title="Modules">Modules</a></li><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#enums" title="Enums">Enums</a></li><li><a href="#traits" title="Traits">Traits</a></li><li><a href="#functions" title="Functions">Functions</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="../index.html">In crate darling_<wbr>core</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">darling_core</a></div><h1>Module <span>util</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/darling_core/util/mod.rs.html#1-26">Source</a> </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">Modules<a href="#modules" class="anchor">§</a></h2><dl class="item-table"><dt><a class="mod" href="parse_expr/index.html" title="mod darling_core::util::parse_expr">parse_<wbr>expr</a></dt><dd>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.</dd></dl><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.Callable.html" title="struct darling_core::util::Callable">Callable</a></dt><dd>Either a path or a closure.</dd><dt><a class="struct" href="struct.Flag.html" title="struct darling_core::util::Flag">Flag</a></dt><dd>A meta-item that can be present as a word - with no value - or absent.</dd><dt><a class="struct" href="struct.IdentString.html" title="struct darling_core::util::IdentString">Ident<wbr>String</a></dt><dd>A wrapper for an <code>Ident</code> which also keeps the value as a string.</dd><dt><a class="struct" href="struct.Ignored.html" title="struct darling_core::util::Ignored">Ignored</a></dt><dd>An efficient way of discarding data from a syntax element.</dd><dt><a class="struct" href="struct.PathList.html" title="struct darling_core::util::PathList">Path<wbr>List</a></dt><dd>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.</dd><dt><a class="struct" href="struct.ShapeSet.html" title="struct darling_core::util::ShapeSet">Shape<wbr>Set</a></dt><dd>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.</dd><dt><a class="struct" href="struct.SpannedValue.html" title="struct darling_core::util::SpannedValue">Spanned<wbr>Value</a></dt><dd>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.</dd><dt><a class="struct" href="struct.WithOriginal.html" title="struct darling_core::util::WithOriginal">With<wbr>Original</a></dt><dd>A container to parse some syntax and retain access to the original.</dd></dl><h2 id="enums" class="section-header">Enums<a href="#enums" class="anchor">§</a></h2><dl class="item-table"><dt><a class="enum" href="enum.Override.html" title="enum darling_core::util::Override">Override</a></dt><dd>A value which can inherit a default value or have an explicit value specified.</dd><dt><a class="enum" href="enum.Shape.html" title="enum darling_core::util::Shape">Shape</a></dt><dd>Description of how fields in a struct or variant are syntactically laid out.</dd></dl><h2 id="traits" class="section-header">Traits<a href="#traits" class="anchor">§</a></h2><dl class="item-table"><dt><a class="trait" href="trait.AsShape.html" title="trait darling_core::util::AsShape">AsShape</a></dt><dd>Get the “shape” of a fields container, such as a struct or variant.</dd></dl><h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2><dl class="item-table"><dt><a class="fn" href="fn.parse_attribute_to_meta_list.html" title="fn darling_core::util::parse_attribute_to_meta_list">parse_<wbr>attribute_<wbr>to_<wbr>meta_<wbr>list</a></dt><dd>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.</dd><dt><a class="fn" href="fn.path_to_string.html" title="fn darling_core::util::path_to_string">path_<wbr>to_<wbr>string</a></dt><dd>Transform Rust paths to a readable and comparable string.</dd></dl></section></div></main></body></html> |