mysql::sets::Is_ordered_set_implementation Concept Reference

#include <ordered_set_traits_interface.h>

Concept definition

template<class Test, class Element_t>
concept mysql::sets::Is_ordered_set_implementation = 
    requires(Element_t e1, Element_t e2) {
      { Test::lt_impl(e1, e2) } -> std::convertible_to<bool>;
    } ||  
    requires(Element_t e1, Element_t e2) {
      { Test::cmp_impl(e1, e2) } -> std::convertible_to<std::strong_ordering>;
    }