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.
value& operator[](std::size_tpos) & noexcept; »more...value&& operator[](std::size_tpos) && noexcept; »more...valueconst& operator[](std::size_tpos) const& noexcept; »more...