fier">tree</span><span class="special">),</span> <span class="identifier">bgi</span><span class="special">::</span><span class="identifier">end</span><span class="special">(</span><span class="identifier">tree</span><span class="special">),</span> <span class="identifier">do_something</span><span class="special">());</span>
<span class="comment">// the same as</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">for_each</span><span class="special">(</span><span 