er">Predicate</span> <span class="identifier">f</span><span class="special">,</span> <span class="identifier">Iterator</span> <span class="identifier">x</span><span class="special">,</span> <span class="identifier">Iterator</span> <span class="identifier">end</span> <span class="special">=</span> <span class="identifier">Iterator</span><span class="special">());</span>
</pre>
<p>
        <span class="bold"><strong>Effects: </strong></span> Constructs a <code class="computeroutput"><span class="identifier">f