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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="Verify the value is from an enumerated set of `PossibleValue`."><title>PossibleValuesParser in clap::builder - 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="clap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="logo-container" href="../../clap/index.html"><img src="https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../clap/index.html"><img src="https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png" alt="logo"></a><h2><a href="../../clap/index.html">clap</a><span class="version">4.5.0</span></h2></div><h2 class="location"><a href="#">PossibleValuesParser</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.new">new</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-PossibleValuesParser">Clone</a></li><li><a href="#impl-Debug-for-PossibleValuesParser">Debug</a></li><li><a href="#impl-From%3CI%3E-for-PossibleValuesParser">From&lt;I&gt;</a></li><li><a href="#impl-TypedValueParser-for-PossibleValuesParser">TypedValueParser</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-PossibleValuesParser">RefUnwindSafe</a></li><li><a href="#impl-Send-for-PossibleValuesParser">Send</a></li><li><a href="#impl-Sync-for-PossibleValuesParser">Sync</a></li><li><a href="#impl-Unpin-for-PossibleValuesParser">Unpin</a></li><li><a href="#impl-UnwindSafe-for-PossibleValuesParser">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-fo
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../clap/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Struct <a href="../index.html">clap</a>::<wbr><a href="index.html">builder</a>::<wbr><a class="struct" href="#">PossibleValuesParser</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/clap_builder/builder/value_parser.rs.html#1234">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub struct PossibleValuesParser(<span class="comment">/* private fields */</span>);</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Verify the value is from an enumerated set of <a href="struct.PossibleValue.html" title="struct clap::builder::PossibleValue"><code>PossibleValue</code></a>.</p>
<p>See also:</p>
<ul>
<li><a href="struct.EnumValueParser.html" title="struct clap::builder::EnumValueParser"><code>EnumValueParser</code></a> for directly supporting <a href="../trait.ValueEnum.html" title="trait clap::ValueEnum"><code>ValueEnum</code></a> types</li>
<li><a href="trait.TypedValueParser.html#method.map" title="method clap::builder::TypedValueParser::map"><code>TypedValueParser::map</code></a> for adapting values to a more specialized type, like an external
enums that cant implement <a href="../trait.ValueEnum.html" title="trait clap::ValueEnum"><code>ValueEnum</code></a></li>
</ul>
<h2 id="example"><a href="#example">Example</a></h2>
<p>Usage:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span><span class="kw-2">mut </span>cmd = clap::Command::new(<span class="string">"raw"</span>)
.arg(
clap::Arg::new(<span class="string">"color"</span>)
.value_parser(clap::builder::PossibleValuesParser::new([<span class="string">"always"</span>, <span class="string">"auto"</span>, <span class="string">"never"</span>]))
.required(<span class="bool-val">true</span>)
);
<span class="kw">let </span>m = cmd.try_get_matches_from_mut([<span class="string">"cmd"</span>, <span class="string">"always"</span>]).unwrap();
<span class="kw">let </span>port: <span class="kw-2">&amp;</span>String = m.get_one(<span class="string">"color"</span>)
.expect(<span class="string">"required"</span>);
<span class="macro">assert_eq!</span>(port, <span class="string">"always"</span>);</code></pre></div>
<p>Semantics:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>value_parser = clap::builder::PossibleValuesParser::new([<span class="string">"always"</span>, <span class="string">"auto"</span>, <span class="string">"never"</span>]);
<span class="macro">assert!</span>(value_parser.parse_ref(<span class="kw-2">&amp;</span>cmd, arg, OsStr::new(<span class="string">"random"</span>)).is_err());
<span class="macro">assert!</span>(value_parser.parse_ref(<span class="kw-2">&amp;</span>cmd, arg, OsStr::new(<span class="string">""</span>)).is_err());
<span class="macro">assert_eq!</span>(value_parser.parse_ref(<span class="kw-2">&amp;</span>cmd, arg, OsStr::new(<span class="string">"always"</span>)).unwrap(), <span class="string">"always"</span>);
<span class="macro">assert_eq!</span>(value_parser.parse_ref(<span class="kw-2">&amp;</span>cmd, arg, OsStr::new(<span class="string">"auto"</span>)).unwrap(), <span class="string">"auto"</span>);
<span class="macro">assert_eq!</span>(value_parser.parse_ref(<span class="kw-2">&amp;</span>cmd, arg, OsStr::new(<span class="string">"never"</span>)).unwrap(), <span class="string">"never"</span>);</code></pre></div>
</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-PossibleValuesParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1236">source</a><a href="#impl-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1238">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>(values: impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a>&gt;) -&gt; <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h4></section></summary><div class="docblock"><p>Verify the value is from an enumerated set of <a href="struct.PossibleValue.html" title="struct clap::builder::PossibleValue"><code>PossibleValue</code></a>.</p>
</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-PossibleValuesParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1233">source</a><a href="#impl-Clone-for-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1233">source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&amp;self) -&gt; <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.76.0/src/core/clone.rs.html#169">source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Self</a>)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-PossibleValuesParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1233">source</a><a href="#impl-Debug-for-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1233">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.76.0/co
I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = T&gt;,
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="struct.PossibleValue.html" title="struct clap::builder::PossibleValue">PossibleValue</a>&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1301">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(values: I) -&gt; <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-TypedValueParser-for-PossibleValuesParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1243">source</a><a href="#impl-TypedValueParser-for-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a> for <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Value" class="associatedtype trait-impl"><a href="#associatedtype.Value" class="anchor">§</a><h4 class="code-header">type <a href="trait.TypedValueParser.html#associatedtype.Value" class="associatedtype">Value</a> = <a class="struct" href="https://doc.rust-lang.org/1.76.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h4></section></summary><div class='docblock'>Arguments value type</div></details><details class="toggle method-toggle" open><summary><section id="method.parse_ref" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1246-1251">source</a><a href="#method.parse_ref" class="anchor">§</a><h4 class="code-header">fn <a href="trait.TypedValueParser.html#tymethod.parse_ref" class="fn">parse_ref</a>(
&amp;self,
cmd: &amp;<a class="struct" href="../struct.Command.html" title="struct clap::Command">Command</a>,
arg: <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;<a class="struct" href="../struct.Arg.html" title="struct clap::Arg">Arg</a>&gt;,
value: &amp;<a class="struct" href="https://doc.rust-lang.org/1.76.0/std/ffi/os_str/struct.OsStr.html" title="struct std::ffi::os_str::OsStr">OsStr</a>
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&lt;<a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a> as <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a>&gt;::<a class="associatedtype" href="trait.TypedValueParser.html#associatedtype.Value" title="type clap::builder::TypedValueParser::Value">Value</a>, <a class="struct" href="../error/struct.Error.html" title="struct clap::error::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Parse the argument value <a href="trait.TypedValueParser.html#tymethod.parse_ref">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.parse" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1255-1260">source</a><a href="#method.parse" class="anchor">§</a><h4 class="code-header">fn <a href="trait.TypedValueParser.html#method.parse" class="fn">parse</a>(
&amp;self,
cmd: &amp;<a class="struct" href="../struct.Command.html" title="struct clap::Command">Command</a>,
arg: <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;<a class="struct" href="../struct.Arg.html" title="struct clap::Arg">Arg</a>&gt;,
value: <a class="struct" href="https://doc.rust-lang.org/1.76.0/std/ffi/os_str/struct.OsString.html" title="struct std::ffi::os_str::OsString">OsString</a>
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.76.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="struct" href="../error/struct.Error.html" title="struct clap::error::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Parse the argument value <a href="trait.TypedValueParser.html#method.parse">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.possible_values" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1289-1291">source</a><a href="#method.possible_values" class="anchor">§</a><h4 class="code-header">fn <a href="trait.TypedValueParser.html#method.possible_values" class="fn">possible_values</a>(
&amp;self
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.76.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a>&lt;Item = <a class="struct" href="struct.PossibleValue.html" title="struct clap::builder::PossibleValue">PossibleValue</a>&gt; + '_&gt;&gt;</h4></section></summary><div class='docblock'>Reflect on enumerated value properties <a href="trait.TypedValueParser.html#method.possible_values">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.parse_ref_" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#766-772">source</a><a href="#method.parse_ref_" class="anchor">§</a><h4 class="code-header">fn <a href="trait.TypedValueParser.html#method.parse_ref_" class="fn">parse_ref_</a>(
&amp;self,
cmd: &amp;<a class="struct" href="../struct.Command.html" title="struct clap::Command">Command</a>,
arg: <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;<a class="struct" href="../struct.Arg.html" title="struct clap::Arg">Arg</a>&gt;,
value: &amp;<a class="struct" href="https://doc.rust-lang.org/1.76.0/std/ffi/os_str/struct.OsStr.html" title="struct std::ffi::os_str::OsStr">OsStr</a>,
_source: <a class="enum" href="../parser/enum.ValueSource.html" title="enum clap::parser::ValueSource">ValueSource</a>
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self::<a class="associatedtype" href="trait.TypedValueParser.html#associatedtype.Value" title="type clap::builder::TypedValueParser::Value">Value</a>, <a class="struct" href="../error/struct.Error.html" title="struct clap::error::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Parse the argument value <a href="trait.TypedValueParser.html#method.parse_ref_">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.parse_" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#791-797">source</a><a href="#method.parse_" class="anchor">§</a><h4 class="code-header">fn <a href="trait.TypedValueParser.html#method.parse_" class="fn">parse_</a>(
&amp;self,
cmd: &amp;<a class="struct" href="../struct.Command.html" title="struct clap::Command">Command</a>,
arg: <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;<a class="struct" href="../struct.Arg.html" title="struct clap::Arg">Arg</a>&gt;,
value: <a class="struct" href="https://doc.rust-lang.org/1.76.0/std/ffi/os_str/struct.OsString.html" title="struct std::ffi::os_str::OsString">OsString</a>,
_source: <a class="enum" href="../parser/enum.ValueSource.html" title="enum clap::parser::ValueSource">ValueSource</a>
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self::<a class="associatedtype" href="trait.TypedValueParser.html#associatedtype.Value" title="type clap::builder::TypedValueParser::Value">Value</a>, <a class="struct" href="../error/struct.Error.html" title="struct clap::error::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Parse the argument value <a href="trait.TypedValueParser.html#method.parse_">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.map" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#848-851">source</a><a href="#method.map" class="anchor">§</a><h4 class="code-header">fn <a href="trait.TypedValueParser.html#method.map" class="fn">map</a>&lt;T, F&gt;(self, func: F) -&gt; <a class="struct" href="struct.MapValueParser.html" title="struct clap::builder::MapValueParser">MapValueParser</a>&lt;Self, F&gt;<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(Self::<a class="associatedtype" href="trait.TypedValueParser.html#associatedtype.Value" title="type clap::builder::TypedValueParser::Value">Value</a>) -&gt; T + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h4></section></summary><div class='docblock'>Adapt a <code>TypedValueParser</code> from one value to another <a href="trait.TypedValueParser.html#method.map">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_map" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#898-902">source</a><a href="#method.try_map" class="anchor">§</a><h4 class="code-header">fn <a href="trait.TypedValueParser.html#method.try_map" class="fn">try_map</a>&lt;T, E, F&gt;(self, func: F) -&gt; <a class="struct" href="struct.TryMapValueParser.html" title="struct clap::builder::TryMapValueParser">TryMapValueParser</a>&lt;Self, F&gt;<div class="where">where
F: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(Self::<a class="associatedtype" href="trait.TypedValueParser.html#associatedtype.Value" title="type clap::builder::TypedValueParser::Value">Value</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt; + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
E: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.76.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>&gt;&gt;,</div></h4></section></summary><div class='docblock'>Adapt a <code>TypedValueParser</code> from one value to another <a href="trait.TypedValueParser.html#method.try_map">Read more</a></div></details></div></details></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-PossibleValuesParser" class="impl"><a href="#impl-RefUnwindSafe-for-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section><section id="impl-Send-for-PossibleValuesParser" class="impl"><a href="#impl-Send-for-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section><section id="impl-Sync-for-PossibleValuesParser" class="impl"><a href="#impl-Sync-for-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section><section id="impl-Unpin-for-PossibleValuesParser" class="impl"><a href="#impl-Unpin-for-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section><section id="impl-UnwindSafe-for-PossibleValuesParser" class="impl"><a href="#impl-UnwindSafe-for-PossibleValuesParser" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.PossibleValuesParser.html" title="struct clap::builder::PossibleValuesParser">PossibleValuesParser</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#140">source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#141">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#208">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#216">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#763">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#766">source</a><a href="#method.from-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#747-749">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#756">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IntoResettable%3CValueParser%3E-for-I" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/resettable.rs.html#178">source</a><a href="#impl-IntoResettable%3CValueParser%3E-for-I" class="anchor">§</a><h3 class="code-header">impl&lt;I&gt; <a class="trait" href="trait.IntoResettable.html" title="trait clap::builder::IntoResettable">IntoResettable</a>&lt;<a class="struct" href="struct.ValueParser.html" title="struct clap::builder::ValueParser">ValueParser</a>&gt; for I<div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="struct.ValueParser.html" title="struct clap::builder::ValueParser">ValueParser</a>&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into_resettable" class="method trait-impl"><a class="src rightside" href="../../src/clap_builder/builder/resettable.rs.html#179">source</a><a href="#method.into_resettable" class="anchor">§</a><h4 class="code-header">fn <a href="trait.IntoResettable.html#tymethod.into_resettable" class="fn">into_resettable</a>(self) -&gt; <a class="enum" href="enum.Resettable.html" title="enum clap::builder::Resettable">Resettable</a>&lt;<a class="struct" href="struct.ValueParser.html" title="struct clap::builder::ValueParser">ValueParser</a>&gt;</h4></section></summary><div class='docblock'>Convert to the intended resettable type</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#83-85">source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#88">source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#92">source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#803-805">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#810">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#788-790">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#795">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>