:list2</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">U</span> <span class="special">&gt;</span> <span class="special">&gt;</span>       <a name="boost.proto.shift_right.type"></a><span class="identifier">type</span><span class="special">;</span>         
  <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=