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<h1>logging.h File Reference</h1>
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Include dependency graph for logging.h:</div>
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Defines</h2><table class="memberdecls">

<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="logging_8h.html#a5cb259e0fd1a8c0c64fbc891bc273417">PP_DCHECK</a>(a)&#160;&#160;&#160;assert(a)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="logging_8h.html#a1c536418e751c9bda850cd2bc919e0ca">PP_NOTREACHED</a>()&#160;&#160;&#160;assert(false)</td></tr>
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<hr /><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>This file defines two macro asserts. </p>
</div><hr /><h2>Define Documentation</h2>
<a class="anchor" id="a5cb259e0fd1a8c0c64fbc891bc273417"></a><!-- doxytag: member="logging.h::PP_DCHECK" ref="a5cb259e0fd1a8c0c64fbc891bc273417" args="(a)" -->
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<td class="memname">#define <a class="el" href="logging_8h.html#a5cb259e0fd1a8c0c64fbc891bc273417">PP_DCHECK</a></td>
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<td class="paramtype">&#160;</td>
<td class="paramname">a</td><td>)</td>
<td>&#160;&#160;&#160;assert(a)</td>
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<p>This macro asserts that 'a' evaluates to true. </p>
<p>In debug mode, this macro will crash the program if the assertion evaluates to false. It (typically) has no effect in release mode. </p>
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<a class="anchor" id="a1c536418e751c9bda850cd2bc919e0ca"></a><!-- doxytag: member="logging.h::PP_NOTREACHED" ref="a1c536418e751c9bda850cd2bc919e0ca" args="()" -->
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<td class="memname">#define <a class="el" href="logging_8h.html#a1c536418e751c9bda850cd2bc919e0ca">PP_NOTREACHED</a></td>
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<td class="paramname"></td><td>)</td>
<td>&#160;&#160;&#160;assert(false)</td>
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<p>This macro asserts false in debug builds. </p>
<p>It's used in code paths that you don't expect to execute.</p>
<p><b>Example:</b></p>
<div class="fragment"><pre class="fragment"> <span class="keywordflow">if</span> (!pointer) {
 <span class="comment">// Pointer wasn&#39;t valid! This shouldn&#39;t happen.</span>
 <a class="code" href="logging_8h.html#a1c536418e751c9bda850cd2bc919e0ca" title="This macro asserts false in debug builds.">PP_NOTREACHED</a>();
 <span class="keywordflow">return</span>;
 }
 <span class="comment">// Do stuff to the pointer, since you know it&#39;s valid.</span>
 pointer-&gt;DoSomething();
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