| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // make_signed |
| |
| #include <type_traits> |
| |
| enum Enum {zero, one_}; |
| |
| enum BigEnum |
| { |
| bzero, |
| big = 0xFFFFFFFFFFFFFFFFULL |
| }; |
| |
| int main() |
| { |
| static_assert((std::is_same<std::make_signed<signed char>::type, signed char>::value), ""); |
| static_assert((std::is_same<std::make_signed<unsigned char>::type, signed char>::value), ""); |
| static_assert((std::is_same<std::make_signed<char>::type, signed char>::value), ""); |
| static_assert((std::is_same<std::make_signed<short>::type, signed short>::value), ""); |
| static_assert((std::is_same<std::make_signed<unsigned short>::type, signed short>::value), ""); |
| static_assert((std::is_same<std::make_signed<int>::type, signed int>::value), ""); |
| static_assert((std::is_same<std::make_signed<unsigned int>::type, signed int>::value), ""); |
| static_assert((std::is_same<std::make_signed<long>::type, signed long>::value), ""); |
| static_assert((std::is_same<std::make_signed<unsigned long>::type, long>::value), ""); |
| static_assert((std::is_same<std::make_signed<long long>::type, signed long long>::value), ""); |
| static_assert((std::is_same<std::make_signed<unsigned long long>::type, signed long long>::value), ""); |
| static_assert((std::is_same<std::make_signed<wchar_t>::type, int>::value), ""); |
| static_assert((std::is_same<std::make_signed<const wchar_t>::type, const int>::value), ""); |
| static_assert((std::is_same<std::make_signed<const Enum>::type, const int>::value), ""); |
| static_assert((std::is_same<std::make_signed<BigEnum>::type, |
| std::conditional<sizeof(long) == 4, long long, long>::type>::value), ""); |
| } |
