<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy"> <area shape="rect" id="node1" href="$a00454.html" title="std::binary_function\l\< _Predicate::first_argument\l_type, _Predicate::second\l_argument_type, bool \>" alt="" coords="6,5,181,70"/> <area shape="rect" id="node2" href="$a00655.html" title="One of the negation functors. " alt="" coords="229,18,352,57"/> </map>