pan class="special">;</span>              <span class="comment">// will print '1.0'</span>
</pre>
<p>
          </p>
<p>
            Using <code class="computeroutput"><span class="identifier">attr</span></code> with <a href="../../../../../../../../libs/phoenix/doc/html/index.html" target="_top">Boost.Phoenix</a> function
            objects:
          </p>
<p>
</p>
<pre class="programlisting"><span class="identifier">d</span> <span class="special">=</span> <span class="number">0.0</span><span class="speci