class="computeroutput"><span class="identifier">arg1</span>
        <span class="special">%</span> <span class="number">2</span> <span class="special">==</span> <span class="number">1</span></code> actually
        generates an actor. This actor object is passed on to STL's <code class="computeroutput"><span class="identifier">find_if</span></code> function. From the viewpoint of
        STL, the expression is simply a function object expecting a single argument
        of the containers value_type. For eac