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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `Value` trait in crate `tracing`."><meta name="keywords" content="rust, rustlang, rust-lang, Value"><title>tracing::Value - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../tracing/index.html'><div class='logo-container'><img src='https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png' alt='logo'></div></a><p class="location">Trait Value</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.record">record</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-Value-for-%26%27a%20T">&amp;&#39;a T</a><a href="#impl-Value-for-Arguments%3C%27a%3E">Arguments&lt;&#39;a&gt;</a><a href="#impl-Value-for-NonZeroI16">NonZeroI16</a><a href="#impl-Value-for-NonZeroI32">NonZeroI32</a><a href="#impl-Value-for-NonZeroI64">NonZeroI64</a><a href="#impl-Value-for-NonZeroI8">NonZeroI8</a><a href="#impl-Value-for-NonZeroIsize">NonZeroIsize</a><a href="#impl-Value-for-NonZeroU16">NonZeroU16</a><a href="#impl-Value-for-NonZeroU32">NonZeroU32</a><a href="#impl-Value-for-NonZeroU64">NonZeroU64</a><a href="#impl-Value-for-NonZeroU8">NonZeroU8</a><a href="#impl-Value-for-NonZeroUsize">NonZeroUsize</a><a href="#impl-Value-for-Wrapping%3CT%3E">Wrapping&lt;T&gt;</a><a href="#impl-Value-for-bool">bool</a><a href="#impl-Value-for-dyn%20Error%20+%20%27static">dyn Error + &#39;static</a><a href="#impl-Value-for-i16">i16</a><a href="#impl-Value-for-i32">i32</a><a href="#impl-Value-for-i64">i64</a><a href="#impl-Value-for-i8">i8</a><a href="#impl-Value-for-isize">isize</a><a href="#impl-Value-for-str">str</a><a href="#impl-Value-for-u16">u16</a><a href="#impl-Value-for-u32">u32</a><a href="#impl-Value-for-u64">u64</a><a href="#impl-Value-for-u8">u8</a><a href="#impl-Value-for-usize">usize</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Display">Display</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class="location"><a href="index.html">tracing</a></p><div id="sidebar-vars" data-name="Value" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="index.html">tracing</a>::<wbr><a class="trait" href="">Value</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../src/tracing_core/field.rs.html#237-240" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust trait">pub trait Value: Sealed {
pub fn <a href="#tymethod.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>);
}</pre></div><div class="docblock"><p>A field value of an erased type.</p>
<p>Implementors of <code>Value</code> may call the appropriate typed recording methods on
the <a href="trait.Visit.html">visitor</a> passed to their <code>record</code> method in order to indicate how
their data should be recorded.</p>
</div><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><h3 id="tymethod.record" class="method"><code>pub fn <a href="#tymethod.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#239" title="goto source code">[src]</a></h3><div class="docblock"><p>Visits this value with the given <code>Visitor</code>.</p>
</div></div><span class="loading-content">Loading content...</span><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for dyn <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> + 'static</code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#444-471" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</code><a class="srclink" href="../src/tracing_core/field.rs.html#445" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-Display" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for dyn <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> + 'static</code><a href="#impl-Display" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#473-477" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt-1" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</code><a class="srclink" href="../src/tracing_core/field.rs.html#474" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
</div></div></div><h2 id="foreign-impls" class="small-section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor"></a></h2><h3 id="impl-Value-for-bool" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a href="#impl-Value-for-bool" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroU8" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroU8.html" title="struct core::num::nonzero::NonZeroU8">NonZeroU8</a></code><a href="#impl-Value-for-NonZeroU8" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-1" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-dyn%20Error%20+%20%27static" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for dyn <a class="trait" href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html" title="trait std::error::Error">Error</a> + 'static</code><a href="#impl-Value-for-dyn%20Error%20+%20%27static" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#419-423" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-2" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#420" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-i64" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a></code><a href="#impl-Value-for-i64" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-3" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-i32" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code><a href="#impl-Value-for-i32" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-4" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-u32" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code><a href="#impl-Value-for-u32" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-5" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-i8" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a></code><a href="#impl-Value-for-i8" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-6" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-%26%27a%20T" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'a </a>T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> + 'a + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Value-for-%26%27a%20T" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#427-434" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-7" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#431" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroI8" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroI8.html" title="struct core::num::nonzero::NonZeroI8">NonZeroI8</a></code><a href="#impl-Value-for-NonZeroI8" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-8" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroU32" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroU32.html" title="struct core::num::nonzero::NonZeroU32">NonZeroU32</a></code><a href="#impl-Value-for-NonZeroU32" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-9" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-str" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a></code><a href="#impl-Value-for-str" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#408-412" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-10" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#409" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroIsize" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroIsize.html" title="struct core::num::nonzero::NonZeroIsize">NonZeroIsize</a></code><a href="#impl-Value-for-NonZeroIsize" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-11" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-i16" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a></code><a href="#impl-Value-for-i16" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-12" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-u64" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></code><a href="#impl-Value-for-u64" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-13" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroI32" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroI32.html" title="struct core::num::nonzero::NonZeroI32">NonZeroI32</a></code><a href="#impl-Value-for-NonZeroI32" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-14" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroU16" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroU16.html" title="struct core::num::nonzero::NonZeroU16">NonZeroU16</a></code><a href="#impl-Value-for-NonZeroU16" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-15" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-usize" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a href="#impl-Value-for-usize" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-16" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroUsize" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroUsize.html" title="struct core::num::nonzero::NonZeroUsize">NonZeroUsize</a></code><a href="#impl-Value-for-NonZeroUsize" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-17" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroI64" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroI64.html" title="struct core::num::nonzero::NonZeroI64">NonZeroI64</a></code><a href="#impl-Value-for-NonZeroI64" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-18" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-u16" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a></code><a href="#impl-Value-for-u16" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-19" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-Wrapping%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/wrapping/struct.Wrapping.html" title="struct core::num::wrapping::Wrapping">Wrapping</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a>,&nbsp;</span></code><a href="#impl-Value-for-Wrapping%3CT%3E" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#400-404" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-20" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#401" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroU64" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroU64.html" title="struct core::num::nonzero::NonZeroU64">NonZeroU64</a></code><a href="#impl-Value-for-NonZeroU64" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-21" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-u8" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a></code><a href="#impl-Value-for-u8" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-22" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-Arguments%3C%27a%3E" class="impl"><code class="in-band">impl&lt;'a&gt; <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Arguments.html" title="struct core::fmt::Arguments">Arguments</a>&lt;'a&gt;</code><a href="#impl-Value-for-Arguments%3C%27a%3E" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#438-442" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-23" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#439" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-NonZeroI16" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroI16.html" title="struct core::num::nonzero::NonZeroI16">NonZeroI16</a></code><a href="#impl-Value-for-NonZeroI16" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-24" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-for-isize" class="impl"><code class="in-band">impl <a class="trait" href="../tracing/trait.Value.html" title="trait tracing::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a></code><a href="#impl-Value-for-isize" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-25" class="method hidden"><code>pub fn <a href="#method.record" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#391-397" title="goto source code">[src]</a></h4></div><span class="loading-content">Loading content...</span><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><h3 id="impl-Value" class="impl"><code class="in-band">impl Value for <a class="struct" href="../tracing/field/struct.Empty.html" title="struct tracing::field::Empty">Empty</a></code><a href="#impl-Value" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#524-527" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-26" class="method hidden"><code>pub fn <a href="#method.record-26" class="fnname">record</a>(&amp;self, &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#526" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-1" class="impl"><code class="in-band">impl&lt;T&gt; Value for <a class="struct" href="../tracing/field/struct.DebugValue.html" title="struct tracing::field::DebugValue">DebugValue</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,&nbsp;</span></code><a href="#impl-Value-1" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#508-515" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-27" class="method hidden"><code>pub fn <a href="#method.record-27" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#512" title="goto source code">[src]</a></h4></div><h3 id="impl-Value-2" class="impl"><code class="in-band">impl&lt;T&gt; Value for <a class="struct" href="../tracing/field/struct.DisplayValue.html" title="struct tracing::field::DisplayValue">DisplayValue</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a>,&nbsp;</span></code><a href="#impl-Value-2" class="anchor"></a><a class="srclink" href="../src/tracing_core/field.rs.html#483-490" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.record-28" class="method hidden"><code>pub fn <a href="#method.record-28" class="fnname">record</a>(&amp;self, key: &amp;<a class="struct" href="../tracing/field/struct.Field.html" title="struct tracing::field::Field">Field</a>, visitor: &amp;mut dyn <a class="trait" href="../tracing/field/trait.Visit.html" title="trait tracing::field::Visit">Visit</a>)</code><a class="srclink" href="../src/tracing_core/field.rs.html#487" title="goto source code">[src]</a></h4></div></div><span class="loading-content">Loading content...</span><script type="text/javascript" src="../implementors/tracing_core/field/trait.Value.js" async></script></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="tracing"></div>
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