="arguments">  <li class="argument">VECTOR</li>  </ul>  <a class="source-link" href="https://shinmera.com/project/array-utils/blob/e71aaf14be270d4aa1e5ba6fa9319e2de776dda0/utils.lisp#L195">Source</a>  </header> <div class="docstring"><pre>Pops the first element off the vector and returns it.
This operation is very costly and takes O(n) time as each element needs to
be shifted as per ARRAY-SHIFT.

See <a href="#FUNCTION%20ARRAY-UTILS%3AVECTOR-POP-FRONT%2A" class="xref">VECTOR-POP-FRONT*</a>
See <a href="#FUN