inline</span></td></tr>
  <tr bgcolor="#f0f0f0" class="even"><td class="entry"><b>at</b>(std::integral_constant&lt; int, 2 &gt;) -&gt; typename element_reference_type&lt; homogeneous_color_base &gt;::type (defined in <a class="el" href="structboost_1_1gil_1_1detail_1_1homogeneous__color__base_3_01_element_00_01_layout_00_013_01_4.html">homogeneous_color_base&lt; Element, Layout, 3 &gt;</a>)</td><td class="entry"><a class="el" href="structboost_1_1gil_1_1detail_1_1homogeneous__color__base_3_01_element_00_01_