<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy"> <area shape="rect" id="node1" href="$a06353.html" title="std::binary_function\l\< _Tp1, _Tp2, _Result \>" alt="" coords="5,37,157,76"/> <area shape="rect" id="node2" href="$a08161.html" title="Similar to std::multiplies, but allows two different types. " alt="" coords="205,5,376,44"/> <area shape="rect" id="node3" href="$a08153.html" title="Similar to std::plus, but allows two different types. " alt="" coords="215,68,367,107"/> </map>