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