...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Return a uint64_t
pointer
if this is an unsigned integer, else return nullptr
std::uint64_t const* if_uint64() const; »more...
std::uint64_t* if_uint64(); »more...