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 version of Boost is under active development. You are currently in the master branch. The current version is 1.90.0.
boost::container::erase_if
// In header: <boost/container/map.hpp> template<typename K, typename M, typename C, typename A, typename O, typename Pred> map< K, M, C, A, O >::size_type erase_if(map< K, M, C, A, O > & c, Pred pred);