| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11 |
| #include <functional> |
| #include <string> |
| |
| template <class _Tp> |
| struct is_transparent |
| { |
| private: |
| struct __two {char __lx; char __lxx;}; |
| template <class _Up> static __two __test(...); |
| template <class _Up> static char __test(typename _Up::is_transparent* = 0); |
| public: |
| static const bool value = sizeof(__test<_Tp>(0)) == 1; |
| }; |
| |
| |
| int main () |
| { |
| static_assert ( !is_transparent<std::logical_and<int>>::value, "" ); |
| static_assert ( !is_transparent<std::logical_and<std::string>>::value, "" ); |
| static_assert ( is_transparent<std::logical_and<void>>::value, "" ); |
| static_assert ( is_transparent<std::logical_and<>>::value, "" ); |
| |
| static_assert ( !is_transparent<std::logical_or<int>>::value, "" ); |
| static_assert ( !is_transparent<std::logical_or<std::string>>::value, "" ); |
| static_assert ( is_transparent<std::logical_or<void>>::value, "" ); |
| static_assert ( is_transparent<std::logical_or<>>::value, "" ); |
| |
| static_assert ( !is_transparent<std::logical_not<int>>::value, "" ); |
| static_assert ( !is_transparent<std::logical_not<std::string>>::value, "" ); |
| static_assert ( is_transparent<std::logical_not<void>>::value, "" ); |
| static_assert ( is_transparent<std::logical_not<>>::value, "" ); |
| |
| return 0; |
| } |