boost::algorithm::is_equal — is_equal functor
// In header: <boost/algorithm/string/compare.hpp> struct is_equal { // public member functions template<typename T1, typename T2> (, ) ; };
Standard STL equal_to only handle comparison between arguments of the same type. This is a less restrictive version which wraps operator ==.
is_equal
template<typename T1, typename T2> ( Arg1, Arg2) ;
Compare two operands for equality