v class="highlight-cpp"><div class="highlight"><pre><span class="n">concept</span> <span class="n">RandomAccessNDLocatorConcept</span><span class="o">&lt;</span><span class="n">Regular</span> <span class="n">Loc</span><span class="o">&gt;</span>
<span class="p">{</span>
  <span class="k">typename</span> <span class="n">value_type</span><span class="p">;</span>        <span class="c1">// value over which the locator navigates</span>
  <span class="k">typename</span> <span class="n">reference</span><span clas