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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="API documentation for the Rust `VariantInfo` struct in crate `synstructure`."><meta name="keywords" content="rust, rustlang, rust-lang, VariantInfo"><title>synstructure::VariantInfo - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../synstructure/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Struct VariantInfo</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#fields">Fields</a><div class="sidebar-links"><a href="#structfield.prefix">prefix</a></div><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.ast">ast</a><a href="#method.bind_with">bind_with</a><a href="#method.binding_name">binding_name</a><a href="#method.bindings">bindings</a><a href="#method.bindings_mut">bindings_mut</a><a href="#method.construct">construct</a><a href="#method.each">each</a><a href="#method.filter">filter</a><a href="#method.fold">fold</a><a href="#method.omitted_bindings">omitted_bindings</a><a href="#method.pat">pat</a><a href="#method.referenced_ty_params">referenced_ty_params</a><a href="#method.remove_binding">remove_binding</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a><a href="#impl-Eq">Eq</a><a href="#impl-Hash">Hash</a><a href="#impl-PartialEq%3CVariantInfo%3C%27a%3E%3E">PartialEq<VariantInfo<'a>></a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a><a href="#impl-Send">!Send</a><a href="#impl-Sync">!Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">!UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-ToOwned">ToOwned</a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class='location'><a href='index.html'>synstructure</a></p><script>window.sidebarCurrent = {name: 'VariantInfo', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/synstructure/lib.rs.html#436-442' title='goto source code'>[src]</a></span><span class='in-band'>Struct <a href='index.html'>synstructure</a>::<wbr><a class="struct" href=''>VariantInfo</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust struct'>pub struct VariantInfo<'a> {
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pub prefix: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'a <a class="struct" href="../proc_macro2/struct.Ident.html" title="struct proc_macro2::Ident">Ident</a>>,
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// some fields omitted
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}</pre></div><div class='docblock'><p>A wrapper around a <code>syn::DeriveInput</code>'s variant which provides utilities
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for destructuring <code>Variant</code>s with <code>match</code> expressions.</p>
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</div><h2 id='fields' class='fields small-section-header'>
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Fields<a href='#fields' class='anchor'></a></h2><span id="structfield.prefix" class="structfield small-section-header"><a href="#structfield.prefix" class="anchor field"></a><code id="prefix.v">prefix: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'a <a class="struct" href="../proc_macro2/struct.Ident.html" title="struct proc_macro2::Ident">Ident</a>></code></span><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><code class='in-band'>impl<'a> <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl' class='anchor'></a><a class='srclink' href='../src/synstructure/lib.rs.html#488-974' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.bindings' class="method"><code id='bindings.v'>pub fn <a href='#method.bindings' class='fnname'>bindings</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="struct" href="../synstructure/struct.BindingInfo.html" title="struct synstructure::BindingInfo">BindingInfo</a><'a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a></code><a class='srclink' href='../src/synstructure/lib.rs.html#527-529' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a slice of the bindings in this Variant.</p>
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</div><h4 id='method.bindings_mut' class="method"><code id='bindings_mut.v'>pub fn <a href='#method.bindings_mut' class='fnname'>bindings_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&mut [</a><a class="struct" href="../synstructure/struct.BindingInfo.html" title="struct synstructure::BindingInfo">BindingInfo</a><'a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a></code><a class='srclink' href='../src/synstructure/lib.rs.html#532-534' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a mut slice of the bindings in this Variant.</p>
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</div><h4 id='method.ast' class="method"><code id='ast.v'>pub fn <a href='#method.ast' class='fnname'>ast</a>(&self) -> <a class="struct" href="../synstructure/struct.VariantAst.html" title="struct synstructure::VariantAst">VariantAst</a><'a></code><a class='srclink' href='../src/synstructure/lib.rs.html#538-540' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a <code>VariantAst</code> object which contains references to the
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underlying <code>syn</code> AST node which this <code>Variant</code> was created from.</p>
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</div><h4 id='method.omitted_bindings' class="method"><code id='omitted_bindings.v'>pub fn <a href='#method.omitted_bindings' class='fnname'>omitted_bindings</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../src/synstructure/lib.rs.html#543-545' title='goto source code'>[src]</a></h4><div class='docblock'><p>True if any bindings were omitted due to a <code>filter</code> call.</p>
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</div><h4 id='method.pat' class="method"><code id='pat.v'>pub fn <a href='#method.pat' class='fnname'>pat</a>(&self) -> <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a></code><a class='srclink' href='../src/synstructure/lib.rs.html#572-605' title='goto source code'>[src]</a></h4><div class='docblock'><p>Generates the match-arm pattern which could be used to match against this Variant.</p>
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<h1 id="example" class="section-header"><a href="#example">Example</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="ident">di</span>: <span class="ident">syn</span>::<span class="ident">DeriveInput</span> <span class="op">=</span> <span class="macro">parse_quote</span><span class="macro">!</span> {
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<span class="kw">enum</span> <span class="ident">A</span> {
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<span class="ident">B</span>(<span class="ident">i32</span>, <span class="ident">i32</span>),
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<span class="ident">C</span>(<span class="ident">u32</span>),
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}
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};
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<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Structure</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">di</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(
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<span class="ident">s</span>.<span class="ident">variants</span>()[<span class="number">0</span>].<span class="ident">pat</span>().<span class="ident">to_string</span>(),
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<span class="macro">quote</span><span class="macro">!</span>{
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<span class="ident">A</span>::<span class="ident">B</span>(<span class="kw-2">ref</span> <span class="ident">__binding_0</span>, <span class="kw-2">ref</span> <span class="ident">__binding_1</span>,)
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}.<span class="ident">to_string</span>()
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);</pre></div>
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</div><h4 id='method.construct' class="method"><code id='construct.v'>pub fn <a href='#method.construct' class='fnname'>construct</a><F, T>(&self, func: F) -> <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&<a class="struct" href="../syn/data/struct.Field.html" title="struct syn::data::Field">Field</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> T,<br> T: <a class="trait" href="../quote/to_tokens/trait.ToTokens.html" title="trait quote::to_tokens::ToTokens">ToTokens</a>, </span></code><a class='srclink' href='../src/synstructure/lib.rs.html#644-677' title='goto source code'>[src]</a></h4><div class='docblock'><p>Generates the token stream required to construct the current variant.</p>
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<p>The init array initializes each of the fields in the order they are
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written in <code>variant.ast().fields</code>.</p>
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<h1 id="example-1" class="section-header"><a href="#example-1">Example</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="ident">di</span>: <span class="ident">syn</span>::<span class="ident">DeriveInput</span> <span class="op">=</span> <span class="macro">parse_quote</span><span class="macro">!</span> {
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<span class="kw">enum</span> <span class="ident">A</span> {
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<span class="ident">B</span>(<span class="ident">usize</span>, <span class="ident">usize</span>),
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<span class="ident">C</span>{ <span class="ident">v</span>: <span class="ident">usize</span> },
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}
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};
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<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Structure</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">di</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(
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<span class="ident">s</span>.<span class="ident">variants</span>()[<span class="number">0</span>].<span class="ident">construct</span>(<span class="op">|</span><span class="kw">_</span>, <span class="ident">i</span><span class="op">|</span> <span class="macro">quote</span><span class="macro">!</span>(#<span class="ident">i</span>)).<span class="ident">to_string</span>(),
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<span class="macro">quote</span><span class="macro">!</span>{
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<span class="ident">A</span>::<span class="ident">B</span>(<span class="number">0usize</span>, <span class="number">1usize</span>,)
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}.<span class="ident">to_string</span>()
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);
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<span class="macro">assert_eq</span><span class="macro">!</span>(
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<span class="ident">s</span>.<span class="ident">variants</span>()[<span class="number">1</span>].<span class="ident">construct</span>(<span class="op">|</span><span class="kw">_</span>, <span class="ident">i</span><span class="op">|</span> <span class="macro">quote</span><span class="macro">!</span>(#<span class="ident">i</span>)).<span class="ident">to_string</span>(),
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<span class="macro">quote</span><span class="macro">!</span>{
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<span class="ident">A</span>::<span class="ident">C</span>{ <span class="ident">v</span>: <span class="number">0usize</span>, }
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}.<span class="ident">to_string</span>()
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);</pre></div>
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</div><h4 id='method.each' class="method"><code id='each.v'>pub fn <a href='#method.each' class='fnname'>each</a><F, R>(&self, f: F) -> <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&<a class="struct" href="../synstructure/struct.BindingInfo.html" title="struct synstructure::BindingInfo">BindingInfo</a>) -> R,<br> R: <a class="trait" href="../quote/to_tokens/trait.ToTokens.html" title="trait quote::to_tokens::ToTokens">ToTokens</a>, </span></code><a class='srclink' href='../src/synstructure/lib.rs.html#712-725' title='goto source code'>[src]</a></h4><div class='docblock'><p>Runs the passed-in function once for each bound field, passing in a <code>BindingInfo</code>.
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and generating a <code>match</code> arm which evaluates the returned tokens.</p>
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<p>This method will ignore fields which are ignored through the <code>filter</code>
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method.</p>
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<h1 id="example-2" class="section-header"><a href="#example-2">Example</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="ident">di</span>: <span class="ident">syn</span>::<span class="ident">DeriveInput</span> <span class="op">=</span> <span class="macro">parse_quote</span><span class="macro">!</span> {
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<span class="kw">enum</span> <span class="ident">A</span> {
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<span class="ident">B</span>(<span class="ident">i32</span>, <span class="ident">i32</span>),
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<span class="ident">C</span>(<span class="ident">u32</span>),
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}
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};
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<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Structure</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">di</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(
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<span class="ident">s</span>.<span class="ident">variants</span>()[<span class="number">0</span>].<span class="ident">each</span>(<span class="op">|</span><span class="ident">bi</span><span class="op">|</span> <span class="macro">quote</span><span class="macro">!</span>(<span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, #<span class="ident">bi</span>))).<span class="ident">to_string</span>(),
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<span class="macro">quote</span><span class="macro">!</span>{
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<span class="ident">A</span>::<span class="ident">B</span>(<span class="kw-2">ref</span> <span class="ident">__binding_0</span>, <span class="kw-2">ref</span> <span class="ident">__binding_1</span>,) <span class="op">=</span><span class="op">></span> {
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{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">__binding_0</span>) }
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{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">__binding_1</span>) }
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}
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}.<span class="ident">to_string</span>()
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);</pre></div>
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</div><h4 id='method.fold' class="method"><code id='fold.v'>pub fn <a href='#method.fold' class='fnname'>fold</a><F, I, R>(&self, init: I, f: F) -> <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(<a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a>, &<a class="struct" href="../synstructure/struct.BindingInfo.html" title="struct synstructure::BindingInfo">BindingInfo</a>) -> R,<br> I: <a class="trait" href="../quote/to_tokens/trait.ToTokens.html" title="trait quote::to_tokens::ToTokens">ToTokens</a>,<br> R: <a class="trait" href="../quote/to_tokens/trait.ToTokens.html" title="trait quote::to_tokens::ToTokens">ToTokens</a>, </span></code><a class='srclink' href='../src/synstructure/lib.rs.html#760-772' title='goto source code'>[src]</a></h4><div class='docblock'><p>Runs the passed-in function once for each bound field, passing in the
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result of the previous call, and a <code>BindingInfo</code>. generating a <code>match</code>
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arm which evaluates to the resulting tokens.</p>
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<p>This method will ignore fields which are ignored through the <code>filter</code>
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method.</p>
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<h1 id="example-3" class="section-header"><a href="#example-3">Example</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="ident">di</span>: <span class="ident">syn</span>::<span class="ident">DeriveInput</span> <span class="op">=</span> <span class="macro">parse_quote</span><span class="macro">!</span> {
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<span class="kw">enum</span> <span class="ident">A</span> {
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<span class="ident">B</span>(<span class="ident">i32</span>, <span class="ident">i32</span>),
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<span class="ident">C</span>(<span class="ident">u32</span>),
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}
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};
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<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Structure</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">di</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(
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<span class="ident">s</span>.<span class="ident">variants</span>()[<span class="number">0</span>].<span class="ident">fold</span>(<span class="macro">quote</span><span class="macro">!</span>(<span class="number">0</span>), <span class="op">|</span><span class="ident">acc</span>, <span class="ident">bi</span><span class="op">|</span> <span class="macro">quote</span><span class="macro">!</span>(#<span class="ident">acc</span> <span class="op">+</span> #<span class="ident">bi</span>)).<span class="ident">to_string</span>(),
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<span class="macro">quote</span><span class="macro">!</span>{
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<span class="ident">A</span>::<span class="ident">B</span>(<span class="kw-2">ref</span> <span class="ident">__binding_0</span>, <span class="kw-2">ref</span> <span class="ident">__binding_1</span>,) <span class="op">=</span><span class="op">></span> {
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<span class="number">0</span> <span class="op">+</span> <span class="ident">__binding_0</span> <span class="op">+</span> <span class="ident">__binding_1</span>
|
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}
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}.<span class="ident">to_string</span>()
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);</pre></div>
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</div><h4 id='method.filter' class="method"><code id='filter.v'>pub fn <a href='#method.filter' class='fnname'>filter</a><F>(&mut self, f: F) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&<a class="struct" href="../synstructure/struct.BindingInfo.html" title="struct synstructure::BindingInfo">BindingInfo</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, </span></code><a class='srclink' href='../src/synstructure/lib.rs.html#817-827' title='goto source code'>[src]</a></h4><div class='docblock'><p>Filter the bindings created by this <code>Variant</code> object. This has 2 effects:</p>
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<ul>
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<li>
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<p>The bindings will no longer appear in match arms generated by methods
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on this <code>Variant</code> or its subobjects.</p>
|
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</li>
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<li>
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<p>Impl blocks created with the <code>bound_impl</code> or <code>unsafe_bound_impl</code>
|
||
method only consider type parameters referenced in the types of
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non-filtered fields.</p>
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</li>
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||
</ul>
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<h1 id="example-4" class="section-header"><a href="#example-4">Example</a></h1>
|
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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||
<span class="kw">let</span> <span class="ident">di</span>: <span class="ident">syn</span>::<span class="ident">DeriveInput</span> <span class="op">=</span> <span class="macro">parse_quote</span><span class="macro">!</span> {
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<span class="kw">enum</span> <span class="ident">A</span> {
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<span class="ident">B</span>{ <span class="ident">a</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i32</span> },
|
||
<span class="ident">C</span>{ <span class="ident">a</span>: <span class="ident">u32</span> },
|
||
}
|
||
};
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Structure</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">di</span>);
|
||
|
||
<span class="ident">s</span>.<span class="ident">variants_mut</span>()[<span class="number">0</span>].<span class="ident">filter</span>(<span class="op">|</span><span class="ident">bi</span><span class="op">|</span> {
|
||
<span class="ident">bi</span>.<span class="ident">ast</span>().<span class="ident">ident</span> <span class="op">=</span><span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">syn</span>::<span class="ident">Ident</span>::<span class="ident">new</span>(<span class="string">"b"</span>, <span class="ident">proc_macro2</span>::<span class="ident">Span</span>::<span class="ident">call_site</span>()))
|
||
});
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(
|
||
<span class="ident">s</span>.<span class="ident">each</span>(<span class="op">|</span><span class="ident">bi</span><span class="op">|</span> <span class="macro">quote</span><span class="macro">!</span>(<span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, #<span class="ident">bi</span>))).<span class="ident">to_string</span>(),
|
||
|
||
<span class="macro">quote</span><span class="macro">!</span>{
|
||
<span class="ident">A</span>::<span class="ident">B</span>{ <span class="ident">b</span>: <span class="kw-2">ref</span> <span class="ident">__binding_1</span>, .. } <span class="op">=</span><span class="op">></span> {
|
||
{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">__binding_1</span>) }
|
||
}
|
||
<span class="ident">A</span>::<span class="ident">C</span>{ <span class="ident">a</span>: <span class="kw-2">ref</span> <span class="ident">__binding_0</span>, } <span class="op">=</span><span class="op">></span> {
|
||
{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">__binding_0</span>) }
|
||
}
|
||
}.<span class="ident">to_string</span>()
|
||
);</pre></div>
|
||
</div><h4 id='method.remove_binding' class="method"><code id='remove_binding.v'>pub fn <a href='#method.remove_binding' class='fnname'>remove_binding</a>(&mut self, idx: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self</code><a class='srclink' href='../src/synstructure/lib.rs.html#834-838' title='goto source code'>[src]</a></h4><div class='docblock'><p>Remove the binding at the given index.</p>
|
||
<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
|
||
<p>Panics if the index is out of range.</p>
|
||
</div><h4 id='method.bind_with' class="method"><code id='bind_with.v'>pub fn <a href='#method.bind_with' class='fnname'>bind_with</a><F>(&mut self, f: F) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&<a class="struct" href="../synstructure/struct.BindingInfo.html" title="struct synstructure::BindingInfo">BindingInfo</a>) -> <a class="enum" href="../synstructure/enum.BindStyle.html" title="enum synstructure::BindStyle">BindStyle</a>, </span></code><a class='srclink' href='../src/synstructure/lib.rs.html#875-883' title='goto source code'>[src]</a></h4><div class='docblock'><p>Updates the <code>BindStyle</code> for each of the passed-in fields by calling the
|
||
passed-in function for each <code>BindingInfo</code>.</p>
|
||
<h1 id="example-5" class="section-header"><a href="#example-5">Example</a></h1>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="ident">di</span>: <span class="ident">syn</span>::<span class="ident">DeriveInput</span> <span class="op">=</span> <span class="macro">parse_quote</span><span class="macro">!</span> {
|
||
<span class="kw">enum</span> <span class="ident">A</span> {
|
||
<span class="ident">B</span>(<span class="ident">i32</span>, <span class="ident">i32</span>),
|
||
<span class="ident">C</span>(<span class="ident">u32</span>),
|
||
}
|
||
};
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Structure</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">di</span>);
|
||
|
||
<span class="ident">s</span>.<span class="ident">variants_mut</span>()[<span class="number">0</span>].<span class="ident">bind_with</span>(<span class="op">|</span><span class="ident">bi</span><span class="op">|</span> <span class="ident">BindStyle</span>::<span class="ident">RefMut</span>);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(
|
||
<span class="ident">s</span>.<span class="ident">each</span>(<span class="op">|</span><span class="ident">bi</span><span class="op">|</span> <span class="macro">quote</span><span class="macro">!</span>(<span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, #<span class="ident">bi</span>))).<span class="ident">to_string</span>(),
|
||
|
||
<span class="macro">quote</span><span class="macro">!</span>{
|
||
<span class="ident">A</span>::<span class="ident">B</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">__binding_0</span>, <span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">__binding_1</span>,) <span class="op">=</span><span class="op">></span> {
|
||
{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">__binding_0</span>) }
|
||
{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">__binding_1</span>) }
|
||
}
|
||
<span class="ident">A</span>::<span class="ident">C</span>(<span class="kw-2">ref</span> <span class="ident">__binding_0</span>,) <span class="op">=</span><span class="op">></span> {
|
||
{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">__binding_0</span>) }
|
||
}
|
||
}.<span class="ident">to_string</span>()
|
||
);</pre></div>
|
||
</div><h4 id='method.binding_name' class="method"><code id='binding_name.v'>pub fn <a href='#method.binding_name' class='fnname'>binding_name</a><F>(&mut self, f: F) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&<a class="struct" href="../syn/data/struct.Field.html" title="struct syn::data::Field">Field</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="struct" href="../proc_macro2/struct.Ident.html" title="struct proc_macro2::Ident">Ident</a>, </span></code><a class='srclink' href='../src/synstructure/lib.rs.html#926-934' title='goto source code'>[src]</a></h4><div class='docblock'><p>Updates the binding name for each fo the passed-in fields by calling the
|
||
passed-in function for each <code>BindingInfo</code>.</p>
|
||
<p>The function will be called with the <code>BindingInfo</code> and its index in the
|
||
enclosing variant.</p>
|
||
<p>The default name is <code>__binding_{}</code> where <code>{}</code> is replaced with an
|
||
increasing number.</p>
|
||
<h1 id="example-6" class="section-header"><a href="#example-6">Example</a></h1>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="ident">di</span>: <span class="ident">syn</span>::<span class="ident">DeriveInput</span> <span class="op">=</span> <span class="macro">parse_quote</span><span class="macro">!</span> {
|
||
<span class="kw">enum</span> <span class="ident">A</span> {
|
||
<span class="ident">B</span>{ <span class="ident">a</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i32</span> },
|
||
<span class="ident">C</span>{ <span class="ident">a</span>: <span class="ident">u32</span> },
|
||
}
|
||
};
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Structure</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">di</span>);
|
||
|
||
<span class="ident">s</span>.<span class="ident">variants_mut</span>()[<span class="number">0</span>].<span class="ident">binding_name</span>(<span class="op">|</span><span class="ident">bi</span>, <span class="ident">i</span><span class="op">|</span> <span class="ident">bi</span>.<span class="ident">ident</span>.<span class="ident">clone</span>().<span class="ident">unwrap</span>());
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(
|
||
<span class="ident">s</span>.<span class="ident">each</span>(<span class="op">|</span><span class="ident">bi</span><span class="op">|</span> <span class="macro">quote</span><span class="macro">!</span>(<span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, #<span class="ident">bi</span>))).<span class="ident">to_string</span>(),
|
||
|
||
<span class="macro">quote</span><span class="macro">!</span>{
|
||
<span class="ident">A</span>::<span class="ident">B</span>{ <span class="ident">a</span>: <span class="kw-2">ref</span> <span class="ident">a</span>, <span class="ident">b</span>: <span class="kw-2">ref</span> <span class="ident">b</span>, } <span class="op">=</span><span class="op">></span> {
|
||
{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">a</span>) }
|
||
{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">b</span>) }
|
||
}
|
||
<span class="ident">A</span>::<span class="ident">C</span>{ <span class="ident">a</span>: <span class="kw-2">ref</span> <span class="ident">__binding_0</span>, } <span class="op">=</span><span class="op">></span> {
|
||
{ <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">__binding_0</span>) }
|
||
}
|
||
}.<span class="ident">to_string</span>()
|
||
);</pre></div>
|
||
</div><h4 id='method.referenced_ty_params' class="method"><code id='referenced_ty_params.v'>pub fn <a href='#method.referenced_ty_params' class='fnname'>referenced_ty_params</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><&'a <a class="struct" href="../proc_macro2/struct.Ident.html" title="struct proc_macro2::Ident">Ident</a>></code><a class='srclink' href='../src/synstructure/lib.rs.html#967-973' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns a list of the type parameters which are referenced in this
|
||
field's type.</p>
|
||
<h1 id="caveat" class="section-header"><a href="#caveat">Caveat</a></h1>
|
||
<p>If the field contains any macros in type position, all parameters will
|
||
be considered bound. This is because we cannot determine which type
|
||
parameters are bound by type macros.</p>
|
||
<h1 id="example-7" class="section-header"><a href="#example-7">Example</a></h1>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="ident">di</span>: <span class="ident">syn</span>::<span class="ident">DeriveInput</span> <span class="op">=</span> <span class="macro">parse_quote</span><span class="macro">!</span> {
|
||
<span class="kw">struct</span> <span class="ident">A</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">U</span><span class="op">></span> {
|
||
<span class="ident">a</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>,
|
||
<span class="ident">b</span>: <span class="ident">U</span>,
|
||
}
|
||
};
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Structure</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">di</span>);
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(
|
||
<span class="ident">s</span>.<span class="ident">variants</span>()[<span class="number">0</span>].<span class="ident">bindings</span>()[<span class="number">0</span>].<span class="ident">referenced_ty_params</span>(),
|
||
<span class="kw-2">&</span>[<span class="kw-2">&</span>(<span class="ident">syn</span>::<span class="ident">Ident</span>::<span class="ident">new</span>(<span class="string">"T"</span>, <span class="ident">proc_macro2</span>::<span class="ident">Span</span>::<span class="ident">call_site</span>()))]
|
||
);</pre></div>
|
||
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-Eq' class='impl'><code class='in-band'>impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-Eq' class='anchor'></a><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-Clone' class='impl'><code class='in-band'>impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-Clone' class='anchor'></a><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.clone' class="method hidden"><code id='clone.v'>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
|
||
</div><h4 id='method.clone_from' class="method hidden"><code id='clone_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#131-133' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
|
||
</div></div><h3 id='impl-PartialEq%3CVariantInfo%3C%27a%3E%3E' class='impl'><code class='in-band'>impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><<a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a>> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-PartialEq%3CVariantInfo%3C%27a%3E%3E' class='anchor'></a><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.eq' class="method hidden"><code id='eq.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, other: &<a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
|
||
</div><h4 id='method.ne' class="method hidden"><code id='ne.v'>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, other: &<a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>!=</code>.</p>
|
||
</div></div><h3 id='impl-Hash' class='impl'><code class='in-band'>impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-Hash' class='anchor'></a><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.hash' class="method hidden"><code id='hash.v'>fn <a href='https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#tymethod.hash' class='fnname'>hash</a><__H: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>>(&self, state: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>__H)</code><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Feeds this value into the given [<code>Hasher</code>]. <a href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#tymethod.hash">Read more</a></p>
|
||
</div><h4 id='method.hash_slice' class="method hidden"><code id='hash_slice.v'>fn <a href='https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#method.hash_slice' class='fnname'>hash_slice</a><H>(data: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[Self]</a>, state: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>H) <span class="where fmt-newline">where<br> H: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>, </span></code><span class='since' title='Stable since Rust version 1.3.0'>1.3.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/hash/mod.rs.html#192-198' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Feeds a slice of this type into the given [<code>Hasher</code>]. <a href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#method.hash_slice">Read more</a></p>
|
||
</div></div><h3 id='impl-Debug' class='impl'><code class='in-band'>impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-Debug' class='anchor'></a><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt' class="method hidden"><code id='fmt.v'>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class='srclink' href='../src/synstructure/lib.rs.html#435' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
|
||
</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Sync' class='impl'><code class='in-band'>impl<'a> !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-Sync' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Send' class='impl'><code class='in-band'>impl<'a> !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-Send' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Unpin' class='impl'><code class='in-band'>impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-Unpin' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-RefUnwindSafe' class='impl'><code class='in-band'>impl<'a> !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-RefUnwindSafe' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-UnwindSafe' class='impl'><code class='in-band'>impl<'a> !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../synstructure/struct.VariantInfo.html" title="struct synstructure::VariantInfo">VariantInfo</a><'a></code><a href='#impl-UnwindSafe' class='anchor'></a></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-Into%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href='#impl-Into%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#543-548' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code id='into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(self) -> U</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#545-547' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-From%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</code><a href='#impl-From%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#552-554' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method hidden"><code id='from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#553' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-ToOwned' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, </span></code><a href='#impl-ToOwned' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#81-92' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Owned' class="type"><code id='Owned.t'>type <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned' class="type">Owned</a> = T</code></h4><div class='docblock'><p>The resulting type after obtaining ownership.</p>
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</div><h4 id='method.to_owned' class="method hidden"><code id='to_owned.v'>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned' class='fnname'>to_owned</a>(&self) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#85-87' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
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</div><h4 id='method.clone_into' class="method hidden"><code id='clone_into.v'>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into' class='fnname'>clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89-91' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
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</details></div></div><div class='docblock hidden'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
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</div></div><h3 id='impl-TryFrom%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#571-577' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code id='Error.t'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_from' class="method hidden"><code id='try_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#574-576' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-TryInto%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#559-566' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code id='Error.t-1'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_into' class="method hidden"><code id='try_into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#563-565' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-BorrowMut%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code id='borrow_mut.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
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</div></div><h3 id='impl-Borrow%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-215' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code id='borrow.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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</div></div><h3 id='impl-Any' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#100-102' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code id='type_id.v'>fn <a href='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id' class='fnname'>type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#101' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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