tor.intro.h5"></a>
      <span class="phrase"><a name="iterator.intro.testing_and_concept_checking"></a></span><a class="link" href="index.html#iterator.intro.testing_and_concept_checking">Testing
      and Concept Checking</a>
    </h4>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          <a class="link" href="iterator/concepts.html" title="Iterator Concepts"><code class="computeroutput"><span class="identifier">iterator_concepts</span><span cl