forked from boostorg/smart_ptr
Aligns with proposed addition to std:: here: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0390r0.htm
Aligns with proposed addition to std:: here: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0390r0.htm