an class="identifier">pi</span><span class="special">.</span><span class="identifier">full</span><span class="special">)</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"full match!\n"</span><span class="special">;</span>
<span class="keyword">else</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&l