_1Triples"><span class="std std-ref">Triples</span></a> in a while loop without using the <code class="docutils literal notranslate"><span class="pre">[]</span></code> operator, which makes unwanted copies that causes memory issues. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>true if the <a class="reference internal" href="#classomexmeta_1_1Triples"><span class="std std-ref">Triples</span></a> object doesn’t contain any <a class="reference internal" href