Concept definition

template<typename _Rel, typename _Tp, typename _Up>
concept std::relation =  predicate<_Rel, _Tp, _Tp> && predicate<_Rel, _Up, _Up>
      && predicate<_Rel, _Tp, _Up> && predicate<_Rel, _Up, _Tp>

Detailed Description

[concept.relation], concept relation

Definition at line 349 of file concepts.