dentifier">vector</span><span class="special">&lt;</span><span class="identifier">client</span><span class="special">::</span><span class="identifier">ast</span><span class="special">::</span><span class="identifier">employee</span><span class="special">&gt;</span> <span class="identifier">ast</span><span class="special">;</span>
    <span class="identifier">iterator_type</span> <span class="identifier">iter</span> <span class="special">=</span> <span class="identifier">input</span><span class="special">.</