eve::irregular_predicate Concept Reference

std::predicate but doesn't require regularity More...

#include <eve/concept/invocable.hpp>

Detailed Description

Template Parameters

T

Concept definition

  template<typename T, typename ... Args>
  concept irregular_predicate = requires (T&& f, Args&&... args) {
    { !f( static_cast<decltype(args) &&>(args) ...) } -> std::convertible_to<bool>;
  }