ep_iterator&lt;Iterator&gt;, 
<a name="l00150"></a>00150                                                                             Iterator, 
<a name="l00151"></a>00151                                                                             memunit_step_fn&lt;Iterator&gt; &gt; {
<a name="l00152"></a>00152     GIL_CLASS_REQUIRE(Iterator, boost::gil, <a class="code" href="g_i_l_0312.html" title="Concept of a random-access iterator that can be advanced in memory units (bytes or...">MemoryBasedIteratorCon