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<p>Sort a group according to the given comparison function. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="#ab1b8ab19edaaf721ba3f5db9b6dcab55" title="Sort a group according to the given comparison function.">sort</a></dd></dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">Index</td><td>Optional indexes of components to compare. </td></tr>
    <tr><td class="paramname">Compare</td><td>Type of compar