st.org/doc/libs/release/doc/html/boost/proto/_.html" target="_top"><code class="computeroutput"><span class="identifier">proto</span><span class="special">::</span><span class="identifier">_</span></code></a>
            <span class="special">,</span> <a href="http://www.boost.org/doc/libs/release/doc/html/boost/proto/vararg.html" target="_top"><code class="computeroutput"><span class="identifier">proto</span><span class="special">::</span><span class="identifier">vararg</span></code></a>
                  