| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // type_traits |
| |
| // common_type |
| |
| #include <type_traits> |
| |
| int main() |
| { |
| static_assert((std::is_same<std::common_type<int>::type, int>::value), ""); |
| static_assert((std::is_same<std::common_type<char>::type, char>::value), ""); |
| #if _LIBCPP_STD_VER > 11 |
| static_assert((std::is_same<std::common_type_t<int>, int>::value), ""); |
| static_assert((std::is_same<std::common_type_t<char>, char>::value), ""); |
| #endif |
| |
| static_assert((std::is_same<std::common_type< int>::type, int>::value), ""); |
| static_assert((std::is_same<std::common_type<const int>::type, int>::value), ""); |
| static_assert((std::is_same<std::common_type< volatile int>::type, int>::value), ""); |
| static_assert((std::is_same<std::common_type<const volatile int>::type, int>::value), ""); |
| |
| static_assert((std::is_same<std::common_type<int, int>::type, int>::value), ""); |
| static_assert((std::is_same<std::common_type<int, const int>::type, int>::value), ""); |
| |
| static_assert((std::is_same<std::common_type<long, const int>::type, long>::value), ""); |
| static_assert((std::is_same<std::common_type<const long, int>::type, long>::value), ""); |
| static_assert((std::is_same<std::common_type<long, volatile int>::type, long>::value), ""); |
| static_assert((std::is_same<std::common_type<volatile long, int>::type, long>::value), ""); |
| static_assert((std::is_same<std::common_type<const long, const int>::type, long>::value), ""); |
| |
| static_assert((std::is_same<std::common_type<double, char>::type, double>::value), ""); |
| static_assert((std::is_same<std::common_type<short, char>::type, int>::value), ""); |
| #if _LIBCPP_STD_VER > 11 |
| static_assert((std::is_same<std::common_type_t<double, char>, double>::value), ""); |
| static_assert((std::is_same<std::common_type_t<short, char>, int>::value), ""); |
| #endif |
| |
| static_assert((std::is_same<std::common_type<double, char, long long>::type, double>::value), ""); |
| static_assert((std::is_same<std::common_type<unsigned, char, long long>::type, long long>::value), ""); |
| #if _LIBCPP_STD_VER > 11 |
| static_assert((std::is_same<std::common_type_t<double, char, long long>, double>::value), ""); |
| static_assert((std::is_same<std::common_type_t<unsigned, char, long long>, long long>::value), ""); |
| #endif |
| } |
