Open shibainuudon opened 6 months ago
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3891.htm
__cpp_lib_shared_timed_mutex : 201402L
__cpp_lib_shared_timed_mutex
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3891.htm
__cpp_lib_shared_timed_mutex
: 201402L