Removed operator!= in C++20 standard library
C++DeprecatedC++ Standard-LibraryComparison OperatorsC++20C++ Problem Overview
According to cppreference, the operator!=
of many standard library types, including std::unordered_map::operator!=
and std::unordered_set::operator!=
is removed in C++20.
What is the committee's rationale behind the decision? Won't this make the comparison support asymmetric?