...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 noexcept; »more...
std::uint64_t
* if_uint64() noexcept; »more...