lass="identifier">InputIterator</span> last<span class="special">,</span> 
                      <span class="identifier">UnaryPredicate</span> predicate<span class="special">,</span> 
                      <span class="identifier">command_queue</span> <span class="special">&amp;</span> queue <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="