...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::offset_ptr::internal_type
// In header: <boost/interprocess/offset_ptr.hpp> union internal_type { std::ptrdiff_t m_offset; PointedType * aliasing_helper; };