"l00187"></a>00187 <span class="comment">//  IteratorAdaptorConcept</span>
<a name="l00189"></a>00189 <span class="comment"></span>
<a name="l00190"></a>00190 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator&gt;
<a name="l00191"></a>00191 <span class="keyword">struct </span>is_iterator_adaptor&lt;memory_based_step_iterator&lt;Iterator&gt; &gt; : <span class="keyword">public</span> mpl::true_{};
<a name="l00192"></a>00192 
<a name="l00193"></a>00193 <span class="keywor