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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 `setup` fn in crate `abstutil`."><meta name="keywords" content="rust, rustlang, rust-lang, setup"><title>abstutil::logger::setup - 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 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 fn"><!--[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">☰</div><a href='../../abstutil/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class='location'><a href='../index.html'>abstutil</a>::<wbr><a href='index.html'>logger</a></p><script>window.sidebarCurrent = {name: 'setup', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></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><span class="help-button">?</span>
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<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='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/abstutil/logger.rs.html#28-39' title='goto source code'>[src]</a></span><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></span></h1><pre class='rust fn'>pub fn setup()</pre><div class='docblock'><h2 id="on-native-uses-env_log" class="section-header"><a href="#on-native-uses-env_log">On native: uses env_log</a></h2>
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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="rust rust-example-rendered">
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<span class="ident">RUST_LOG</span><span class="op">=</span><span class="ident">debug</span> <span class="ident">cargo</span> <span class="ident">run</span> <span class="op">-</span><span class="op">-</span><span class="ident">bin</span> <span class="ident">game</span></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="rust rust-example-rendered">
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<span class="ident">RUST_LOG</span><span class="op">=</span><span class="ident">my_lib</span><span class="op">=</span><span class="ident">debug</span> <span class="ident">cargo</span> <span class="ident">run</span> <span class="op">-</span><span class="op">-</span><span class="ident">bin</span> <span class="ident">game</span></pre></div>
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<p>Or a module-by-module basis:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="ident">RUST_LOG</span><span class="op">=</span><span class="ident">my_lib</span>::<span class="ident">module</span><span class="op">=</span><span class="ident">debug</span> <span class="ident">cargo</span> <span class="ident">run</span> <span class="op">-</span><span class="op">-</span><span class="ident">bin</span> <span class="ident">game</span></pre></div>
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<p>You can mix and match:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="ident">RUST_LOG</span><span class="op">=</span><span class="ident">error</span>,<span class="ident">foo</span>::<span class="ident">bar</span><span class="op">=</span><span class="ident">debug</span>,<span class="ident">baz</span><span class="op">=</span><span class="ident">info</span> <span class="ident">cargo</span> <span class="ident">run</span> <span class="op">-</span><span class="op">-</span><span class="ident">bin</span> <span class="ident">game</span></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="rust rust-example-rendered">
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<span class="ident">RUST_LOG</span><span class="op">=</span><span class="string">"fast_paths=debug/contracted node [0-9]+0000 "</span> <span class="ident">mike</span> <span class="ident">import_la</span></pre></div>
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<h2 id="on-web-uses-console_log" class="section-header"><a href="#on-web-uses-console_log">On web: uses console_log</a></h2></div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../";window.currentCrate = "abstutil";</script><script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html> |