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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="An adapter for converting `log` records into `tracing` `Event`s."><title>tracing_log::log_tracer - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tracing_log" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod"><!--[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="logo-container" href="../../tracing_log/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing_log/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing_log/index.html">tracing_log</a><span class="version">0.2.0</span></h2></div><h2 class="location"><a href="#">Module log_tracer</a></h2><div class="sidebar-elems"><section><ul class="block"><li><a href="#structs">Structs</a></li></ul></section><h2><a href="../index.html">In crate tracing_log</a></h2></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../tracing_log/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Module <a href="../index.html">tracing_log</a>::<wbr><a class="mod" href="#">log_tracer</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/tracing_log/log_tracer.rs.html#1-307">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An adapter for converting <a href="../../log/index.html" title="mod log"><code>log</code></a> records into <code>tracing</code> <code>Event</code>s.</p>
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<p>This module provides the <a href="../struct.LogTracer.html" title="struct tracing_log::LogTracer"><code>LogTracer</code></a> type which implements <code>log</code>’s <a href="../../log/trait.Log.html" title="trait log::Log">logger
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interface</a> by recording log records as <code>tracing</code> <code>Event</code>s. This is intended for
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use in conjunction with a <code>tracing</code> <code>Subscriber</code> to consume events from
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dependencies that emit <a href="../../log/index.html" title="mod log"><code>log</code></a> records within a trace context.</p>
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<h2 id="usage"><a href="#usage">Usage</a></h2>
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<p>To create and initialize a <code>LogTracer</code> with the default configurations, use:</p>
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<ul>
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<li><a href="LogTracer.html#method.init"><code>init</code></a> if you want to convert all logs, regardless of log level,
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allowing the tracing <code>Subscriber</code> to perform any filtering</li>
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<li><a href="LogTracer.html#method.init_with_filter"><code>init_with_filter</code></a> to convert all logs up to a specified log level</li>
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</ul>
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<p>In addition, a <a href="../struct.LogTracer.html#method.builder" title="associated function tracing_log::LogTracer::builder">builder</a> is available for cases where more advanced
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configuration is required. In particular, the builder can be used to <a href="struct.Builder.html#method.ignore_crate" title="method tracing_log::log_tracer::Builder::ignore_crate">ignore
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log records</a> emitted by particular crates. This is useful in cases
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such as when a crate emits both <code>tracing</code> diagnostics <em>and</em> log records by
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default.</p>
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</div></details><h2 id="structs" class="section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.Builder.html" title="struct tracing_log::log_tracer::Builder">Builder</a></div><div class="desc docblock-short">Configures a new <code>LogTracer</code>.</div></li><li><div class="item-name"><a class="struct" href="struct.LogTracer.html" title="struct tracing_log::log_tracer::LogTracer">LogTracer</a></div><div class="desc docblock-short">A simple “logger” that converts all log records into <code>tracing</code> <code>Event</code>s.</div></li><li><div class="item-name"><a class="struct" href="struct.SetLoggerError.html" title="struct tracing_log::log_tracer::SetLoggerError">SetLoggerError</a></div><div class="desc docblock-short">The type returned by <a href="fn.set_logger.html"><code>set_logger</code></a> if <a href="fn.set_logger.html"><code>set_logger</code></a> has already been called.</div></li></ul></section></div></main></body></html>
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