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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="On native: uses env_log"><meta name="keywords" content="rust, rustlang, rust-lang, setup"><title>setup in abstutil::logger - 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" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script>
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</a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In abstutil::logger</a></h2><div id="sidebar-vars" data-name="setup" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../abstutil/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><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"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="main-heading">
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<h1 class="fqn"><span class="in-band">Function <a href="../index.html">abstutil</a>::<wbr><a href="index.html">logger</a>::<wbr><a class="fn" href="#">setup</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></span></h1><span class="out-of-band"><a class="srclink" href="../../src/abstutil/logger.rs.html#38-49">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn setup()</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><h3 id="on-native-uses-env_log"><a href="#on-native-uses-env_log">On native: uses env_log</a></h3>
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<p>You can adjust the log level without recompiling with the RUST_LOG env variable.</p>
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<div class="example-wrap"><pre class="language-skip"><code>RUST_LOG=debug cargo run --bin game</code></pre></div>
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<p>This can be done on a per lib basis:</p>
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<div class="example-wrap"><pre class="language-skip"><code>RUST_LOG=my_lib=debug cargo run --bin game</code></pre></div>
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<p>Or a module-by-module basis:</p>
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<div class="example-wrap"><pre class="language-skip"><code>RUST_LOG=my_lib::module=debug cargo run --bin game</code></pre></div>
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<p>You can mix and match:</p>
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<div class="example-wrap"><pre class="language-skip"><code>RUST_LOG=error,foo::bar=debug,baz=info cargo run --bin game</code></pre></div>
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<p>For some special cases, you might want to use regex matching by specifying a pattern with the
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“/”:</p>
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<div class="example-wrap"><pre class="language-skip"><code>RUST_LOG="fast_paths=debug/contracted node [0-9]+0000 " mike import_la</code></pre></div><h3 id="on-web-uses-console_log"><a href="#on-web-uses-console_log">On web: uses console_log</a></h3></div></details></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="abstutil" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.62.1 (e092d0b6b 2022-07-16)" ></div>
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