There's a proposal to add them to the C++ standard, but I don't know its current status. “A constexpr bitwise operations library for C++”: http://www.open-std.o

There's a proposal to add them to the C++ standard, but I don't know its current status. “A constexpr bitwise operations library for C++”: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3864.html http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n386...