Call the wrapped functor with the specified arg1 and arg2 (in that order) and return the result. Note that ARGn_TYPE will typically be deduced as a const type.
Declared in <bslstl_hashtable.h>
template<
class ARG1_TYPE,
class ARG2_TYPE>
bool
operator()(
ARG1_TYPE& arg1,
ARG2_TYPE& arg2) const;