pan>         
  <span class="keyword">typedef</span> <a class="link" href="basic_expr.html" title="Struct template basic_expr">proto::basic_expr</a><span class="special">&lt;</span> <a class="link" href="tag/shift_left_assign.html" title="Struct shift_left_assign">proto::tag::shift_left_assign</a><span class="special">,</span> <a class="link" href="listN.html" title="Struct template listN">proto::list2</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span