ial">&gt;</span>
    <span class="special">:</span> <a href="http://www.boost.org/doc/libs/release/doc/html/boost/proto/call.html" target="_top"><code class="computeroutput"><span class="identifier">proto</span><span class="special">::</span><span class="identifier">call</span></code></a><span class="special">&lt;</span>
        <a href="http://www.boost.org/doc/libs/release/doc/html/boost/proto/functional/make_expr.html" target="_top"><code class="computeroutput"><span class="identifier">proto</span><span 