span>channel_mapping_type&lt;memory_based_step_iterator&lt;Iterator&gt; &gt; : <span class="keyword">public</span> channel_mapping_type&lt;Iterator&gt; {};
<a name="l00212"></a>00212 
<a name="l00213"></a>00213 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator&gt;
<a name="l00214"></a>00214 <span class="keyword">struct </span>is_planar&lt;memory_based_step_iterator&lt;Iterator&gt; &gt; : <span class="keyword">public</span> is_planar&lt;Iterator&gt; {};
<a name="l00215"