tml#boost.compute.flat_map.iterator">iterator</a><span class="special">,</span> <span class="keyword">bool</span> <span class="special">&gt;</span> <a class="link" href="flat_map.html#idp36201216-bb"><span class="identifier">insert</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">command_queue</span> <span class="special">&amp;</span><span class="spec