dedekind::category::IsEquality Concept Reference

Rel on T is equality of values (the diagonal). More...

Concept definition

template<typename T, typename Rel, typename Ω bool>
concept dedekind::category::IsEquality = 
    IsTruthObject<Ω> &&
    requires(const std::remove_cvref_t<Rel>& rel, const T& a, const T& b) {
      { rel(a, b) } -> std::convertible_to<Ω>;
    } && requires { requires is_equality_v<T, std::remove_cvref_t<Rel>>; }

Detailed Description

Rel on T is equality of values (the diagonal).