test_ternary.hpp

Go to the documentation of this file.

//
// Created by cosge on 2023-12-03.
//
 
#ifndef VCCC_TYPE_TRAITS_DETAIL_TEST_TERNARY_HPP_
#define VCCC_TYPE_TRAITS_DETAIL_TEST_TERNARY_HPP_
 
#include <type_traits>
 
#include "vccc/__type_traits/void_t.hpp"
 
namespace vccc {
namespace detail {
 
template<typename T1, typename T2, typename = void>
struct test_ternary_impl {};
 
template<typename T1, typename T2>
struct test_ternary_impl<T1, T2, void_t<decltype(false ? std::declval<T1>() : std::declval<T2>())>> {
  using type = decltype(false ? std::declval<T1>() : std::declval<T2>());
};
 
template<typename T1, typename T2>
struct test_ternary : test_ternary_impl<T1, T2> {};
 
template<typename T1, typename T2>
using test_ternary_t = typename test_ternary<T1, T2>::type;
 
} // namespace detail
} // namespace vccc
 
#endif // VCCC_TYPE_TRAITS_DETAIL_TEST_TERNARY_HPP_