PairHash          174 Source/wtf/HashFunctions.h         static bool equal(const std::pair<T, U>& a, const std::pair<T, U>& b) { return PairHash<T, T>::equal(a, b); }
PairHash          175 Source/wtf/HashFunctions.h         static const bool safeToCompareToEmptyOrDeleted = PairHash<T, U>::safeToCompareToEmptyOrDeleted;
PairHash          223 Source/wtf/HashFunctions.h     template<typename T, typename U> struct DefaultHash<std::pair<T, U> > { typedef PairHash<T, U> Hash; };