...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::interprocess::operator!=
// In header: <boost/interprocess/allocators/allocator.hpp> template<typename T, typename SegmentManager> bool operator!=(const allocator< T, SegmentManager > & alloc1, const allocator< T, SegmentManager > & alloc2);