fier">iterator_type</span><span class="special">&gt;</span> <span class="identifier">r</span><span class="special">;</span>
<span class="identifier">on_error</span><span class="special">&lt;</span><span class="identifier">retry</span><span class="special">&gt;(</span><span class="identifier">r</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="identifier">phoenix</span>