edg-l/edlang
1
1
Fork 0
mirror of https://github.com/edg-l/edlang.git synced 2024-11-23 00:18:24 +00:00
Code Issues Packages Projects Releases Wiki Activity
edlang/clap/builder/trait.TypedValueParser.html
edg-l fba155564a deploy: 0d39a300f5
2024-08-01 07:04:26 +00:00

199 lines
56 KiB
HTML
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!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="Parse/validate argument values"><title>TypedValueParser in clap::builder - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-dd39b87e5fcfba68.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="1.80.0 (051478957 2024-07-21)" data-channel="1.80.0" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-df360f571f6edeae.css"></noscript><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 trait"><!--[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" title="show sidebar"></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">4.5.13</span></h2></div><h2 class="location"><a href="#">TypedValueParser</a></h2><div class="sidebar-elems"><section><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Value">Value</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.parse_ref">parse_ref</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.map">map</a></li><li><a href="#method.parse">parse</a></li><li><a href="#method.parse_">parse_</a></li><li><a href="#method.parse_ref_">parse_ref_</a></li><li><a href="#method.possible_values">possible_values</a></li><li><a href="#method.try_map">try_map</a></li></ul><h3><a href="#object-safety">Object Safety</a></h3><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In clap::builder</a></h2></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Trait <a href="../index.html">clap</a>::<wbr><a href="index.html">builder</a>::<wbr><a class="trait" href="#">TypedValueParser</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../../src/clap_builder/builder/value_parser.rs.html#711">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub trait TypedValueParser: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static {
type <a href="#associatedtype.Value" class="associatedtype">Value</a>: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>;
// Required method
fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/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;;
// Provided methods
fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/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; { ... }
<span class="item-spacer"></span> fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/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; { ... }
<span class="item-spacer"></span> fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/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; { ... }
<span class="item-spacer"></span> fn <a href="#method.possible_values" class="fn">possible_values</a>(
&amp;self,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.80.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.80.0/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; { ... }
<span class="item-spacer"></span> fn <a href="#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;
<span class="where">where T: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.80.0/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/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a></span> { ... }
<span class="item-spacer"></span> fn <a href="#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;
<span class="where">where F: <a class="trait" href="https://doc.rust-lang.org/1.80.0/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/1.80.0/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/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
T: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
E: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>&gt;&gt;</span> { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Parse/validate argument values</p>
<p>As alternatives to implementing <code>TypedValueParser</code>,</p>
<ul>
<li>Use <code>Fn(&amp;str) -&gt; Result&lt;T, E&gt;</code> which implements <code>TypedValueParser</code></li>
<li><a href="trait.TypedValueParser.html#method.map" title="method clap::builder::TypedValueParser::map"><code>TypedValueParser::map</code></a> or <a href="trait.TypedValueParser.html#method.try_map" title="method clap::builder::TypedValueParser::try_map"><code>TypedValueParser::try_map</code></a> to adapt an existing <code>TypedValueParser</code></li>
</ul>
<p>See <code>ValueParserFactory</code> to register <code>TypedValueParser::Value</code> with
<a href="../macro.value_parser.html" title="macro clap::value_parser"><code>value_parser!</code></a>.</p>
<h2 id="example"><a class="doc-anchor" href="#example">§</a>Example</h2>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="attr">#[derive(Clone)]
</span><span class="kw">struct </span>Custom(u32);
<span class="attr">#[derive(Clone)]
</span><span class="kw">struct </span>CustomValueParser;
<span class="kw">impl </span>clap::builder::TypedValueParser <span class="kw">for </span>CustomValueParser {
<span class="kw">type </span>Value = Custom;
<span class="kw">fn </span>parse_ref(
<span class="kw-2">&amp;</span><span class="self">self</span>,
cmd: <span class="kw-2">&amp;</span>clap::Command,
arg: <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;</span>clap::Arg&gt;,
value: <span class="kw-2">&amp;</span>std::ffi::OsStr,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Value, clap::Error&gt; {
<span class="kw">let </span>inner = <span class="macro">clap::value_parser!</span>(u32);
<span class="kw">let </span>val = inner.parse_ref(cmd, arg, value)<span class="question-mark">?</span>;
<span class="kw">const </span>INVALID_VALUE: u32 = <span class="number">10</span>;
<span class="kw">if </span>val == INVALID_VALUE {
<span class="kw">let </span><span class="kw-2">mut </span>err = clap::Error::new(ErrorKind::ValueValidation)
.with_cmd(cmd);
<span class="kw">if let </span><span class="prelude-val">Some</span>(arg) = arg {
err.insert(ContextKind::InvalidArg, ContextValue::String(arg.to_string()));
}
err.insert(ContextKind::InvalidValue, ContextValue::String(INVALID_VALUE.to_string()));
<span class="kw">return </span><span class="prelude-val">Err</span>(err);
}
<span class="prelude-val">Ok</span>(Custom(val))
}
}</code></pre></div>
</div></details><h2 id="required-associated-types" class="section-header">Required Associated Types<a href="#required-associated-types" class="anchor">§</a></h2><div class="methods"><details class="toggle" open><summary><section id="associatedtype.Value" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#713">source</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a>: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a></h4></section></summary><div class="docblock"><p>Argument’s value type</p>
</div></details></div><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.parse_ref" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#718-723">source</a><h4 class="code-header">fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/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"><p>Parse the argument value</p>
<p>When <code>arg</code> is <code>None</code>, an external subcommand value is being parsed.</p>
</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.parse_ref_" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#728-734">source</a><h4 class="code-header">fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/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"><p>Parse the argument value</p>
<p>When <code>arg</code> is <code>None</code>, an external subcommand value is being parsed.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.parse" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#741-746">source</a><h4 class="code-header">fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/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"><p>Parse the argument value</p>
<p>When <code>arg</code> is <code>None</code>, an external subcommand value is being parsed.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.parse_" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#753-759">source</a><h4 class="code-header">fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/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"><p>Parse the argument value</p>
<p>When <code>arg</code> is <code>None</code>, an external subcommand value is being parsed.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.possible_values" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#767-769">source</a><h4 class="code-header">fn <a href="#method.possible_values" class="fn">possible_values</a>(
&amp;self,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.80.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.80.0/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"><p>Reflect on enumerated value properties</p>
<p>Error checking should not be done with this; it is mostly targeted at user-facing
applications like errors and completion.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.map" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#810-813">source</a><h4 class="code-header">fn <a href="#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/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.80.0/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/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h4></section></summary><div class="docblock"><p>Adapt a <code>TypedValueParser</code> from one value to another</p>
<h5 id="example-1"><a class="doc-anchor" href="#example-1">§</a>Example</h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>cmd = Command::new(<span class="string">"mycmd"</span>)
.arg(
Arg::new(<span class="string">"flag"</span>)
.long(<span class="string">"flag"</span>)
.action(clap::ArgAction::SetTrue)
.value_parser(
BoolishValueParser::new()
.map(|b| -&gt; usize {
<span class="kw">if </span>b { <span class="number">10 </span>} <span class="kw">else </span>{ <span class="number">5 </span>}
})
)
);
<span class="kw">let </span>matches = cmd.clone().try_get_matches_from([<span class="string">"mycmd"</span>, <span class="string">"--flag"</span>]).unwrap();
<span class="macro">assert!</span>(matches.contains_id(<span class="string">"flag"</span>));
<span class="macro">assert_eq!</span>(
matches.get_one::&lt;usize&gt;(<span class="string">"flag"</span>).copied(),
<span class="prelude-val">Some</span>(<span class="number">10</span>)
);
<span class="kw">let </span>matches = cmd.try_get_matches_from([<span class="string">"mycmd"</span>]).unwrap();
<span class="macro">assert!</span>(matches.contains_id(<span class="string">"flag"</span>));
<span class="macro">assert_eq!</span>(
matches.get_one::&lt;usize&gt;(<span class="string">"flag"</span>).copied(),
<span class="prelude-val">Some</span>(<span class="number">5</span>)
);</code></pre></div>
</div></details><details class="toggle method-toggle" open><summary><section id="method.try_map" class="method"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#860-864">source</a><h4 class="code-header">fn <a href="#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/1.80.0/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/1.80.0/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/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
T: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
E: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>&gt;&gt;,</div></h4></section></summary><div class="docblock"><p>Adapt a <code>TypedValueParser</code> from one value to another</p>
<h5 id="example-2"><a class="doc-anchor" href="#example-2">§</a>Example</h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>cmd = Command::new(<span class="string">"mycmd"</span>)
.arg(
Arg::new(<span class="string">"flag"</span>)
.long(<span class="string">"flag"</span>)
.value_parser(
OsStringValueParser::new()
.try_map(verify_ext)
)
);
<span class="kw">fn </span>verify_ext(os: OsString) -&gt; <span class="prelude-ty">Result</span>&lt;PathBuf, <span class="kw-2">&amp;</span><span class="lifetime">'static </span>str&gt; {
<span class="kw">let </span>path = PathBuf::from(os);
<span class="kw">if </span>path.extension() != <span class="prelude-val">Some</span>(OsStr::new(<span class="string">"rs"</span>)) {
<span class="kw">return </span><span class="prelude-val">Err</span>(<span class="string">"only Rust files are supported"</span>);
}
<span class="prelude-val">Ok</span>(path)
}
<span class="kw">let </span>error = cmd.clone().try_get_matches_from([<span class="string">"mycmd"</span>, <span class="string">"--flag"</span>, <span class="string">"foo.txt"</span>]).unwrap_err();
error.print();
<span class="kw">let </span>matches = cmd.try_get_matches_from([<span class="string">"mycmd"</span>, <span class="string">"--flag"</span>, <span class="string">"foo.rs"</span>]).unwrap();
<span class="macro">assert!</span>(matches.contains_id(<span class="string">"flag"</span>));
<span class="macro">assert_eq!</span>(
matches.get_one::&lt;PathBuf&gt;(<span class="string">"flag"</span>).map(|s| s.as_path()),
<span class="prelude-val">Some</span>(Path::new(<span class="string">"foo.rs"</span>))
);</code></pre></div>
</div></details></div><h2 id="object-safety" class="section-header">Object Safety<a href="#object-safety" class="anchor">§</a></h2><div class="object-safety-info">This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.80.0/reference/items/traits.html#object-safety">object safe</a>.</div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-BoolValueParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1689">source</a><a href="#impl-TypedValueParser-for-BoolValueParser" 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.BoolValueParser.html" title="struct clap::builder::BoolValueParser">BoolValueParser</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-1" class="associatedtype trait-impl"><a href="#associatedtype.Value-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-BoolishValueParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1890">source</a><a href="#impl-TypedValueParser-for-BoolishValueParser" 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.BoolishValueParser.html" title="struct clap::builder::BoolishValueParser">BoolishValueParser</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-2" class="associatedtype trait-impl"><a href="#associatedtype.Value-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-FalseyValueParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1791">source</a><a href="#impl-TypedValueParser-for-FalseyValueParser" 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.FalseyValueParser.html" title="struct clap::builder::FalseyValueParser">FalseyValueParser</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-3" class="associatedtype trait-impl"><a href="#associatedtype.Value-3" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-NonEmptyStringValueParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1973">source</a><a href="#impl-TypedValueParser-for-NonEmptyStringValueParser" 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.NonEmptyStringValueParser.html" title="struct clap::builder::NonEmptyStringValueParser">NonEmptyStringValueParser</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-4" class="associatedtype trait-impl"><a href="#associatedtype.Value-4" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-OsStringValueParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#962">source</a><a href="#impl-TypedValueParser-for-OsStringValueParser" 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.OsStringValueParser.html" title="struct clap::builder::OsStringValueParser">OsStringValueParser</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-5" class="associatedtype trait-impl"><a href="#associatedtype.Value-5" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="struct" href="https://doc.rust-lang.org/1.80.0/std/ffi/os_str/struct.OsString.html" title="struct std::ffi::os_str::OsString">OsString</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-PathBufValueParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1004">source</a><a href="#impl-TypedValueParser-for-PathBufValueParser" 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.PathBufValueParser.html" title="struct clap::builder::PathBufValueParser">PathBufValueParser</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-6" class="associatedtype trait-impl"><a href="#associatedtype.Value-6" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="struct" href="https://doc.rust-lang.org/1.80.0/std/path/struct.PathBuf.html" title="struct std::path::PathBuf">PathBuf</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-PossibleValuesParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1205">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"><section id="associatedtype.Value-7" class="associatedtype trait-impl"><a href="#associatedtype.Value-7" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-StringValueParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#914">source</a><a href="#impl-TypedValueParser-for-StringValueParser" 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.StringValueParser.html" title="struct clap::builder::StringValueParser">StringValueParser</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-8" class="associatedtype trait-impl"><a href="#associatedtype.Value-8" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-UnknownArgumentValueParser" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#2184">source</a><a href="#impl-TypedValueParser-for-UnknownArgumentValueParser" 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.UnknownArgumentValueParser.html" title="struct clap::builder::UnknownArgumentValueParser">UnknownArgumentValueParser</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-9" class="associatedtype trait-impl"><a href="#associatedtype.Value-9" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = <a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-EnumValueParser%3CE%3E" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1091">source</a><a href="#impl-TypedValueParser-for-EnumValueParser%3CE%3E" class="anchor">§</a><h3 class="code-header">impl&lt;E&gt; <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a> for <a class="struct" href="struct.EnumValueParser.html" title="struct clap::builder::EnumValueParser">EnumValueParser</a>&lt;E&gt;<div class="where">where
E: <a class="trait" href="../trait.ValueEnum.html" title="trait clap::ValueEnum">ValueEnum</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-10" class="associatedtype trait-impl"><a href="#associatedtype.Value-10" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = E</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-F" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#870-874">source</a><a href="#impl-TypedValueParser-for-F" class="anchor">§</a><h3 class="code-header">impl&lt;F, T, E&gt; <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a> for F<div class="where">where
F: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(&amp;<a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.str.html">str</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.80.0/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/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
E: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>&gt;&gt;,
T: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-11" class="associatedtype trait-impl"><a href="#associatedtype.Value-11" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = T</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-MapValueParser%3CP,+F%3E" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#2027-2032">source</a><a href="#impl-TypedValueParser-for-MapValueParser%3CP,+F%3E" class="anchor">§</a><h3 class="code-header">impl&lt;P, F, T&gt; <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a> for <a class="struct" href="struct.MapValueParser.html" title="struct clap::builder::MapValueParser">MapValueParser</a>&lt;P, F&gt;<div class="where">where
P: <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a>,
&lt;P 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="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(&lt;P 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>) -&gt; T + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
T: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-12" class="associatedtype trait-impl"><a href="#associatedtype.Value-12" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = T</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-TryMapValueParser%3CP,+F%3E" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#2087-2093">source</a><a href="#impl-TypedValueParser-for-TryMapValueParser%3CP,+F%3E" class="anchor">§</a><h3 class="code-header">impl&lt;P, F, T, E&gt; <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a> for <a class="struct" href="struct.TryMapValueParser.html" title="struct clap::builder::TryMapValueParser">TryMapValueParser</a>&lt;P, F&gt;<div class="where">where
P: <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a>,
&lt;P 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="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(&lt;P 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>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.80.0/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/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
T: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,
E: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.80.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>&gt;&gt;,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-13" class="associatedtype trait-impl"><a href="#associatedtype.Value-13" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = T</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-RangedI64ValueParser%3CT%3E" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1396-1398">source</a><a href="#impl-TypedValueParser-for-RangedI64ValueParser%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a> for <a class="struct" href="struct.RangedI64ValueParser.html" title="struct clap::builder::RangedI64ValueParser">RangedI64ValueParser</a>&lt;T&gt;<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.i64.html">i64</a>&gt; + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
&lt;T as <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.i64.html">i64</a>&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/alloc/string/trait.ToString.html" title="trait alloc::string::ToString">ToString</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-14" class="associatedtype trait-impl"><a href="#associatedtype.Value-14" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = T</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TypedValueParser-for-RangedU64ValueParser%3CT%3E" class="impl"><a class="src rightside" href="../../src/clap_builder/builder/value_parser.rs.html#1595-1597">source</a><a href="#impl-TypedValueParser-for-RangedU64ValueParser%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.TypedValueParser.html" title="trait clap::builder::TypedValueParser">TypedValueParser</a> for <a class="struct" href="struct.RangedU64ValueParser.html" title="struct clap::builder::RangedU64ValueParser">RangedU64ValueParser</a>&lt;T&gt;<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.u64.html">u64</a>&gt; + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,
&lt;T as <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.80.0/std/primitive.u64.html">u64</a>&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.80.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static + <a class="trait" href="https://doc.rust-lang.org/1.80.0/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/1.80.0/alloc/string/trait.ToString.html" title="trait alloc::string::ToString">ToString</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Value-15" class="associatedtype trait-impl"><a href="#associatedtype.Value-15" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = T</h4></section></div></details></div><script src="../../trait.impl/clap_builder/builder/value_parser/trait.TypedValueParser.js" data-ignore-extern-crates="clap_builder" async></script></section></div></main></body></html>
Reference in a new issue View git blame Copy permalink