...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::mpi::operator!= — Compare two allocators for inequality.
// In header: <boost/mpi/allocator.hpp> template<typename T1, typename T2> bool operator!=(const allocator< T1 > &, const allocator< T2 > &);