in permutation of numbers [0, n), whose application
on an array results in a sorted array.
</p></div><dl class="paramcmts block"><dt class="param">arr</dt><dd class="cmt"><p>Array to sort
</p></dd></dl></div>
    </li><li name="org.saddle.array#empty" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
      <a id="empty[T](len:Int)(implicitevidence$1:org.saddle.ST[T]):Array[T]"></a>
      <a id="empty[T](Int)(ST[T]):Array[T]"></a>
      <h4 class="signature">
      <span class="modifier_kind