Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This is an older version of Boost and was released in 2024. The current version is 1.90.0.
Return an int64_t
pointer if this is a signed integer, else return nullptr
std::int64_tconst* if_int64() const noexcept; »more...std::int64_t* if_int64() noexcept; »more...