| <!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="A field value of an erased type."><meta name="keywords" content="rust, rustlang, rust-lang, Value"><title>Value in tracing_core::field - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.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">☰</button><a class="sidebar-logo" href="../../tracing_core/index.html"><div class="logo-container"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../tracing_core/index.html"><div class="logo-container"> |
| <img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt="logo"></div></a><h2 class="location"><a href="#">Value</a></h2><div class="sidebar-elems"><section><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.record">record</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-Value-for-%26%27a%20T">&'a T</a></li><li><a href="#impl-Value-for-%26%27a%20mut%20T">&'a mut T</a></li><li><a href="#impl-Value-for-Arguments%3C%27a%3E">Arguments<'a></a></li><li><a href="#impl-Value-for-Box%3CT%3E">Box<T></a></li><li><a href="#impl-Value-for-NonZeroI128">NonZeroI128</a></li><li><a href="#impl-Value-for-NonZeroI16">NonZeroI16</a></li><li><a href="#impl-Value-for-NonZeroI32">NonZeroI32</a></li><li><a href="#impl-Value-for-NonZeroI64">NonZeroI64</a></li><li><a href="#impl-Value-for-NonZeroI8">NonZeroI8</a></li><li><a href="#impl-Value-for-NonZeroIsize">NonZeroIsize</a></li><li><a href="#impl-Value-for-NonZeroU128">NonZeroU128</a></li><li><a href="#impl-Value-for-NonZeroU16">NonZeroU16</a></li><li><a href="#impl-Value-for-NonZeroU32">NonZeroU32</a></li><li><a href="#impl-Value-for-NonZeroU64">NonZeroU64</a></li><li><a href="#impl-Value-for-NonZeroU8">NonZeroU8</a></li><li><a href="#impl-Value-for-NonZeroUsize">NonZeroUsize</a></li><li><a href="#impl-Value-for-Option%3CT%3E">Option<T></a></li><li><a href="#impl-Value-for-String">String</a></li><li><a href="#impl-Value-for-Wrapping%3CT%3E">Wrapping<T></a></li><li><a href="#impl-Value-for-bool">bool</a></li><li><a href="#impl-Value-for-dyn%20Error%20+%20%27static">dyn Error + 'static</a></li><li><a href="#impl-Value-for-dyn%20Error%20+%20Send%20+%20%27static">dyn Error + Send + 'static</a></li><li><a href="#impl-Value-for-dyn%20Error%20+%20Send%20+%20Sync%20+%20%27static">dyn Error + Send + Sync + 'static</a></li><li><a href="#impl-Value-for-dyn%20Error%20+%20Sync%20+%20%27static">dyn Error + Sync + 'static</a></li><li><a href="#impl-Value-for-f32">f32</a></li><li><a href="#impl-Value-for-f64">f64</a></li><li><a href="#impl-Value-for-i128">i128</a></li><li><a href="#impl-Value-for-i16">i16</a></li><li><a href="#impl-Value-for-i32">i32</a></li><li><a href="#impl-Value-for-i64">i64</a></li><li><a href="#impl-Value-for-i8">i8</a></li><li><a href="#impl-Value-for-isize">isize</a></li><li><a href="#impl-Value-for-str">str</a></li><li><a href="#impl-Value-for-u128">u128</a></li><li><a href="#impl-Value-for-u16">u16</a></li><li><a href="#impl-Value-for-u32">u32</a></li><li><a href="#impl-Value-for-u64">u64</a></li><li><a href="#impl-Value-for-u8">u8</a></li><li><a href="#impl-Value-for-usize">usize</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Debug-for-dyn%20Value">Debug</a></li><li><a href="#impl-Display-for-dyn%20Value">Display</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In tracing_core::field</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Trait <a href="../index.html">tracing_core</a>::<wbr><a href="index.html">field</a>::<wbr><a class="trait" href="#">Value</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/tracing_core/field.rs.html#336-339">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust trait"><code>pub trait Value: Sealed { |
| fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>); |
| }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><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></details><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle method-toggle" open><summary><section id="tymethod.record" class="method has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#338">source</a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></summary><div class="docblock"><p>Visits this value with the given <code>Visitor</code>.</p> |
| </div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-dyn%20Value" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#630-657">source</a><a href="#impl-Debug-for-dyn%20Value" class="anchor"></a><h3 class="code-header">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="trait.Value.html" title="trait tracing_core::field::Value">Value</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#631-656">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>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></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Display-for-dyn%20Value" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#659-663">source</a><a href="#impl-Display-for-dyn%20Value" class="anchor"></a><h3 class="code-header">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="trait.Value.html" title="trait tracing_core::field::Value">Value</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#660-662">source</a><a href="#method.fmt-1" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt" class="fnname">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>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></div></details></div></details></div><h2 id="foreign-impls" class="small-section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-u64" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-u64" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></h3></section></summary><div class="impl-items"><section id="method.record" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroU64" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroU64" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-1" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-usize" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-usize" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h3></section></summary><div class="impl-items"><section id="method.record-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-2" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroUsize" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroUsize" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-3" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-3" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-u32" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-u32" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></h3></section></summary><div class="impl-items"><section id="method.record-4" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-4" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroU32" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroU32" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-5" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-5" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-u16" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-u16" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a></h3></section></summary><div class="impl-items"><section id="method.record-6" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-6" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroU16" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroU16" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-7" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-7" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-u8" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-u8" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a></h3></section></summary><div class="impl-items"><section id="method.record-8" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-8" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroU8" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroU8" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-9" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-9" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-i64" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-i64" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a></h3></section></summary><div class="impl-items"><section id="method.record-10" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-10" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroI64" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroI64" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-11" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-11" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-isize" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-isize" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a></h3></section></summary><div class="impl-items"><section id="method.record-12" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-12" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroIsize" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroIsize" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-13" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-13" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-i32" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-i32" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></h3></section></summary><div class="impl-items"><section id="method.record-14" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-14" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroI32" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroI32" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-15" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-15" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-i16" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-i16" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a></h3></section></summary><div class="impl-items"><section id="method.record-16" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-16" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroI16" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroI16" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-17" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-17" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-i8" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-i8" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a></h3></section></summary><div class="impl-items"><section id="method.record-18" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-18" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroI8" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroI8" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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></h3></section></summary><div class="impl-items"><section id="method.record-19" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-19" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-u128" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-u128" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a></h3></section></summary><div class="impl-items"><section id="method.record-20" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-20" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroU128" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroU128" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroU128.html" title="struct core::num::nonzero::NonZeroU128">NonZeroU128</a></h3></section></summary><div class="impl-items"><section id="method.record-21" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-21" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-i128" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-i128" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a></h3></section></summary><div class="impl-items"><section id="method.record-22" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-22" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-NonZeroI128" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-NonZeroI128" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroI128.html" title="struct core::num::nonzero::NonZeroI128">NonZeroI128</a></h3></section></summary><div class="impl-items"><section id="method.record-23" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-23" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-bool" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-bool" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h3></section></summary><div class="impl-items"><section id="method.record-24" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-24" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-f64" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-f64" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a></h3></section></summary><div class="impl-items"><section id="method.record-25" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-25" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-f32" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#impl-Value-for-f32" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a></h3></section></summary><div class="impl-items"><section id="method.record-26" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#509-518">source</a><a href="#method.record-26" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-Wrapping%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#521-525">source</a><a href="#impl-Value-for-Wrapping%3CT%3E" class="anchor"></a><h3 class="code-header">impl<T: <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a>> <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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><T></h3></section></summary><div class="impl-items"><section id="method.record-27" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#522-524">source</a><a href="#method.record-27" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-str" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#529-533">source</a><a href="#impl-Value-for-str" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a></h3></section></summary><div class="impl-items"><section id="method.record-28" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#530-532">source</a><a href="#method.record-28" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-dyn%20Error%20+%20%27static" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#540-544">source</a><a href="#impl-Value-for-dyn%20Error%20+%20%27static" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + 'static</h3></section></summary><div class="impl-items"><section id="method.record-29" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#541-543">source</a><a href="#method.record-29" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-dyn%20Error%20+%20Send%20+%20%27static" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#551-555">source</a><a href="#impl-Value-for-dyn%20Error%20+%20Send%20+%20%27static" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static</h3></section></summary><div class="impl-items"><section id="method.record-30" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#552-554">source</a><a href="#method.record-30" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-dyn%20Error%20+%20Sync%20+%20%27static" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#562-566">source</a><a href="#impl-Value-for-dyn%20Error%20+%20Sync%20+%20%27static" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static</h3></section></summary><div class="impl-items"><section id="method.record-31" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#563-565">source</a><a href="#method.record-31" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-dyn%20Error%20+%20Send%20+%20Sync%20+%20%27static" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#573-577">source</a><a href="#impl-Value-for-dyn%20Error%20+%20Send%20+%20Sync%20+%20%27static" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static</h3></section></summary><div class="impl-items"><section id="method.record-32" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#574-576">source</a><a href="#method.record-32" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-%26%27a%20T" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#581-588">source</a><a href="#impl-Value-for-%26%27a%20T" class="anchor"></a><h3 class="code-header">impl<'a, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T<span class="where fmt-newline">where<br> T: <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> + 'a,</span></h3></section></summary><div class="impl-items"><section id="method.record-33" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#585-587">source</a><a href="#method.record-33" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-%26%27a%20mut%20T" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#592-601">source</a><a href="#impl-Value-for-%26%27a%20mut%20T" class="anchor"></a><h3 class="code-header">impl<'a, T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T<span class="where fmt-newline">where<br> T: <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> + 'a,</span></h3></section></summary><div class="impl-items"><section id="method.record-34" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#596-600">source</a><a href="#method.record-34" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-Arguments%3C%27a%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#605-609">source</a><a href="#impl-Value-for-Arguments%3C%27a%3E" class="anchor"></a><h3 class="code-header">impl<'a> <a class="trait" href="trait.Value.html" title="trait tracing_core::field::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><'a></h3></section></summary><div class="impl-items"><section id="method.record-35" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#606-608">source</a><a href="#method.record-35" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-Box%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#613-621">source</a><a href="#impl-Value-for-Box%3CT%3E" class="anchor"></a><h3 class="code-header">impl<T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><T><span class="where fmt-newline">where<br> T: <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a>,</span></h3></section></summary><div class="impl-items"><section id="method.record-36" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#618-620">source</a><a href="#method.record-36" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-String" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#624-628">source</a><a href="#impl-Value-for-String" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h3></section></summary><div class="impl-items"><section id="method.record-37" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#625-627">source</a><a href="#method.record-37" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Value-for-Option%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#741-747">source</a><a href="#impl-Value-for-Option%3CT%3E" class="anchor"></a><h3 class="code-header">impl<T: <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a>> <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><T></h3></section></summary><div class="impl-items"><section id="method.record-38" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#742-746">source</a><a href="#method.record-38" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.record" class="fnname">record</a>(&self, key: &<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, visitor: &mut dyn <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a>)</h4></section></div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div id="implementors-list"><section id="impl-Value-for-Empty" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#734-737">source</a><a href="#impl-Value-for-Empty" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="struct" href="struct.Empty.html" title="struct tracing_core::field::Empty">Empty</a></h3></section><section id="impl-Value-for-DebugValue%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#694-701">source</a><a href="#impl-Value-for-DebugValue%3CT%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="struct" href="struct.DebugValue.html" title="struct tracing_core::field::DebugValue">DebugValue</a><T><span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,</span></h3></section><section id="impl-Value-for-DisplayValue%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/field.rs.html#669-676">source</a><a href="#impl-Value-for-DisplayValue%3CT%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a> for <a class="struct" href="struct.DisplayValue.html" title="struct tracing_core::field::DisplayValue">DisplayValue</a><T><span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a>,</span></h3></section></div><script src="../../implementors/tracing_core/field/trait.Value.js" 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