ost.compute.flat_map.iterator">iterator</a> <a class="link" href="flat_map.html#idp36178160-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="flat_map.html#boost.compute.flat_map.const_iterator">const_iterator</a> <a class="link" href="flat_map.html#idp36179136-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span>