<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy"> <area shape="rect" id="node1" href="$a00435.html" title="std::binary_function\l\< _Tp1, _Tp2, _Result \>" alt="" coords="5,37,157,75"/> <area shape="rect" id="node3" href="$a00151.html" title="Similar to std::multiplies, but allows two different types." alt="" coords="205,5,376,43"/> <area shape="rect" id="node5" href="$a00154.html" title="Similar to std::plus, but allows two different types." alt="" coords="215,67,367,106"/> </map>