n class="o">&gt;</span>
<span class="n">concept</span> <span class="nl">MutableRandomAccessNDLocatorConcept</span>
    <span class="p">:</span> <span class="n">RandomAccessNDLocatorConcept</span><span class="o">&lt;</span><span class="n">Loc</span><span class="o">&gt;</span>
<span class="p">{</span>
  <span class="n">where</span> <span class="n">Mutable</span><span class="o">&lt;</span><span class="n">reference</span><span class="o">&gt;</span><span class="p">;</span>
<span class="p">};</span>
</pre></div>
