ment comparison key for
both ELEMENT and each element in VECTOR.

Returns the existing element in VECTOR or the new ELEMENT if it was
inserted at the end.

See <a href="http://l1sp.org/cl/vector-push-extend" class="xref">CL:VECTOR-PUSH-EXTEND</a></pre></div> </article> </li>  <li> <article class="definition function callable" id="FUNCTION ARRAY-UTILS:VECTOR-PUSH-EXTEND-POSITION"> <header> <span class="visibility">EXTERNAL</span> <span class="type">FUNCTION</span> <h4 class="name"> <a href="#FUNCTION%20ARRAY