<mp-units/framework/quantity_point_concepts.h>
template<typename T>
concept QuantityPointLike = !QuantityPoint<T> && detail::QuantityLikeImpl<T, quantity_point_like_traits> && requires {
typename quantity_point<quantity_point_like_traits<T>::reference, quantity_point_like_traits<T>::point_origin,
typename quantity_point_like_traits<T>::rep>;
};
Satisfied by all external types (not-defined in mp-units) that via a quantity_point_like_traits
provide all quantity_point-specific information.