...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::alignment::operator==
// In header: <boost/align/aligned_allocator_adaptor.hpp> template<typename A1, typename A2, std::size_t Alignment> bool operator==(const aligned_allocator_adaptor< A1, Alignment > & a, const aligned_allocator_adaptor< A2, Alignment > & b);