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 2019. The current version is 1.89.0.
Distance between two iterators.
typedef std::ptrdiff_t difference_type;
Header: boost/asio/ip/address_v6_iterator.hpp
Convenience header: boost/asio.hpp