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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="Creates an instance by parsing a specific `syn::GenericParam`. This can be a type param, a lifetime, or a const param."><title>FromGenericParam in darling_core - 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 trait"><!--[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="#">FromGenericParam</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="#">From<wbr>Generic<wbr>Param</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.from_generic_param" title="from_generic_param">from_generic_param</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-FromGenericParam-for-()" title="()">()</a></li><li><a href="#impl-FromGenericParam-for-GenericParam" title="GenericParam">GenericParam</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></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>Trait <span class="trait">From<wbr>Generic<wbr>Param</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/from_generic_param.rs.html#5-7">Source</a> </span></div><pre class="rust item-decl"><code>pub trait FromGenericParam: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
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// Required method
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fn <a href="#tymethod.from_generic_param" class="fn">from_generic_param</a>(param: &<a class="enum" href="../syn/generics/enum.GenericParam.html" title="enum syn::generics::GenericParam">GenericParam</a>) -> <a class="type" href="error/type.Result.html" title="type darling_core::error::Result">Result</a><Self>;
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Creates an instance by parsing a specific <code>syn::GenericParam</code>.
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This can be a type param, a lifetime, or a const param.</p>
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</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><section id="tymethod.from_generic_param" class="method"><a class="src rightside" href="../src/darling_core/from_generic_param.rs.html#6">Source</a><h4 class="code-header">fn <a href="#tymethod.from_generic_param" class="fn">from_generic_param</a>(param: &<a class="enum" href="../syn/generics/enum.GenericParam.html" title="enum syn::generics::GenericParam">GenericParam</a>) -> <a class="type" href="error/type.Result.html" title="type darling_core::error::Result">Result</a><Self></h4></section></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.93.1/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-FromGenericParam-for-GenericParam" class="impl"><a class="src rightside" href="../src/darling_core/from_generic_param.rs.html#15-19">Source</a><a href="#impl-FromGenericParam-for-GenericParam" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromGenericParam.html" title="trait darling_core::FromGenericParam">FromGenericParam</a> for <a class="enum" href="../syn/generics/enum.GenericParam.html" title="enum syn::generics::GenericParam">GenericParam</a></h3></section></summary><div class="impl-items"><section id="method.from_generic_param" class="method trait-impl"><a class="src rightside" href="../src/darling_core/from_generic_param.rs.html#16-18">Source</a><a href="#method.from_generic_param" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_generic_param" class="fn">from_generic_param</a>(param: &<a class="enum" href="../syn/generics/enum.GenericParam.html" title="enum syn::generics::GenericParam">GenericParam</a>) -> <a class="type" href="error/type.Result.html" title="type darling_core::error::Result">Result</a><Self></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromGenericParam-for-()" class="impl"><a class="src rightside" href="../src/darling_core/from_generic_param.rs.html#9-13">Source</a><a href="#impl-FromGenericParam-for-()" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromGenericParam.html" title="trait darling_core::FromGenericParam">FromGenericParam</a> for <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a></h3></section></summary><div class="impl-items"><section id="method.from_generic_param-1" class="method trait-impl"><a class="src rightside" href="../src/darling_core/from_generic_param.rs.html#10-12">Source</a><a href="#method.from_generic_param-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_generic_param" class="fn">from_generic_param</a>(_param: &<a class="enum" href="../syn/generics/enum.GenericParam.html" title="enum syn::generics::GenericParam">GenericParam</a>) -> <a class="type" href="error/type.Result.html" title="type darling_core::error::Result">Result</a><Self></h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-FromGenericParam-for-Ignored" class="impl"><a class="src rightside" href="../src/darling_core/util/ignored.rs.html#24">Source</a><a href="#impl-FromGenericParam-for-Ignored" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromGenericParam.html" title="trait darling_core::FromGenericParam">FromGenericParam</a> for <a class="struct" href="util/struct.Ignored.html" title="struct darling_core::util::Ignored">Ignored</a></h3></section><section id="impl-FromGenericParam-for-SpannedValue%3CT%3E" class="impl"><a class="src rightside" href="../src/darling_core/util/spanned_value.rs.html#120">Source</a><a href="#impl-FromGenericParam-for-SpannedValue%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="trait.FromGenericParam.html" title="trait darling_core::FromGenericParam">FromGenericParam</a>> <a class="trait" href="trait.FromGenericParam.html" title="trait darling_core::FromGenericParam">FromGenericParam</a> for <a class="struct" href="util/struct.SpannedValue.html" title="struct darling_core::util::SpannedValue">SpannedValue</a><T></h3></section><section id="impl-FromGenericParam-for-WithOriginal%3CT,+GenericParam%3E" class="impl"><a class="src rightside" href="../src/darling_core/util/with_original.rs.html#32">Source</a><a href="#impl-FromGenericParam-for-WithOriginal%3CT,+GenericParam%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="trait.FromGenericParam.html" title="trait darling_core::FromGenericParam">FromGenericParam</a>> <a class="trait" href="trait.FromGenericParam.html" title="trait darling_core::FromGenericParam">FromGenericParam</a> for <a class="struct" href="util/struct.WithOriginal.html" title="struct darling_core::util::WithOriginal">WithOriginal</a><T, <a class="enum" href="../syn/generics/enum.GenericParam.html" title="enum syn::generics::GenericParam">GenericParam</a>></h3></section><section id="impl-FromGenericParam-for-GenericParam%3CT%3E" class="impl"><a class="src rightside" href="../src/darling_core/ast/generics.rs.html#92-102">Source</a><a href="#impl-FromGenericParam-for-GenericParam%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="trait.FromTypeParam.html" title="trait darling_core::FromTypeParam">FromTypeParam</a>> <a class="trait" href="trait.FromGenericParam.html" title="trait darling_core::FromGenericParam">FromGenericParam</a> for darling_core::ast::<a class="enum" href="ast/enum.GenericParam.html" title="enum darling_core::ast::GenericParam">GenericParam</a><T></h3></section></div><script src="../trait.impl/darling_core/from_generic_param/trait.FromGenericParam.js" data-ignore-extern-crates="std,syn" async></script></section></div></main></body></html> |