an class="special">&gt;(),</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">placeholders</span><span class="special">::</span><span class="identifier">_1</span><span class="special">,</span> <span class="special">-</span><span class="number">2</span><span class="special">)</span>
        <span class="special">,</span> <span class="identifier">numbers</span><span class="special">,</span> <span class="identifier">numbers</span> <span class="special">+</span> <s