lass="link" href="assertion_result.html" title="Class assertion_result">assertion_result</a> <a name="idp41325584-bb"></a><span class="identifier">is_empty</span><span class="special">(</span><span class="keyword">bool</span> flush_stream <span class="special">=</span> <span class="keyword">true</span><span class="special">)</span><span class="special">;</span></pre>Checks if the stream is empty. <p>
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