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-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
-
-<!--
-
-file : documentation/trace/index.xhtml
-author : Boris Kolpackov <boris@kolpackov.net>
-copyright : Copyright (c) 2005-2010 Boris Kolpackov
-license : GNU FDL v1.2; http://kolpackov.net/licenses/fdl-1.2.txt
-
--->
-
-<head>
-
- <title>libcult/documentation/trace</title>
-
- <meta name="author" content="Boris Kolpackov"/>
- <meta name="copyright" content="&copy; 2005-2010 Boris Kolpackov"/>
- <meta name="keywords" content="libcult,c++,tracing"/>
- <meta name="description" content="libcult/documentation/trace"/>
-
- <link rel="stylesheet" type="text/css" href="../default.css"/>
-
-</head>
-
-<body>
-
-<div id="navigation">
-<p>
-<a href="../.."><code>libcult</code></a> <code>/</code>
-<a href=".."><code>documentation</code></a> <code>/</code>
-<code>trace</code>
-</p>
-</div>
-
-<div id="content">
-<p>The <em>libcult</em> trace library provides a general-purpose
-program tracing facility. The following code fragment can be found
-in <code>libcult/examples/trace</code>:</p>
-
-<pre class="cxx">
-struct foo {};
-
-std::ostream&amp;
-operator&lt;&lt; (std::ostream&amp; o, foo const&amp;)
-{
- return o &lt;&lt; "::foo";
-}
-
-namespace trace = cult::trace;
-
-trace::stream tout ("main", 4);
-
-int
-main ()
-{
- using trace::record;
-
- trace::log::instance ().level (9);
-
- record a ("main", 2);
- a &lt;&lt; "notationally burdensome";
- tout &lt;&lt; a;
-
- record b ("main", 2);
- tout &lt;&lt; (b &lt;&lt; "a bit better, but still burdensome");
-
- tout &lt;&lt; (record ("main", 2) &lt;&lt; "this is"
- &lt;&lt; " somewhat"
- &lt;&lt; " twisted but nice to be able to");
-
- tout &lt;&lt; "concise, using default level";
-
- tout &lt;&lt; 9 &lt;&lt; "concise, using custom level";
-
- foo f;
-
- tout &lt;&lt; 3 &lt;&lt; f &lt;&lt; " " &lt;&lt; 5;
-}
-</pre>
-
-<p>Along with the proper implementation, a <em>null</em> implementation is
-provided which can be used to completely optimize trace code away. For details
-see the <a href="http://kolpackov.net/pipermail/notes/2004-July/000010.html">
-Inlining code away</a> essay.</p>
-</div>
-
-<div id="docinfo">
-<p>Copyright &copy; 2005-2010 <a title="Boris Kolpackov"
-href="http://kolpackov.net">Boris Kolpackov</a>.</p>
-
-<div class="terms">
-Permission is granted to copy, distribute and/or modify this document under
-the terms of the <a href="http://kolpackov.net/licenses/fdl-1.2.txt">GNU Free
-Documentation License, version 1.2</a>; with no Invariant Sections, no
-Front-Cover Texts and no Back-Cover Texts.
-</div>
-</div>
-
-</body>
-</html>