lass="identifier">Geometry</span> <span class="keyword">const</span> <span class="special">&amp;</span> <span class="identifier">geometry</span><span class="special">,</span> <span class="identifier">validity_failure_type</span> <span class="special">&amp;</span> <span class="identifier">failure</span><span class="special">)</span></pre>
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          </p>
<h6>
<a name="geometry.reference.algorithms.is_valid.is_valid_2_with_failure_value.h1"></a>
            <span class="phrase"><a name="geometry.reference.