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 2023. The current version is 1.91.0.
std::tuple_size<boost::process::v2::environment::key_value_pair>
// In header: <boost/process/v2/environment.hpp> class tuple_size<boost::process::v2::environment::key_value_pair> : private integral_constant< std::size_t, 2u > { };