| Howard Hinnant | 94b2dd0 | 2010-08-22 00:59:46 +0000 | [diff] [blame^] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <functional> |
| 11 | |
| 12 | // negate |
| 13 | |
| 14 | #include <functional> |
| 15 | #include <type_traits> |
| 16 | #include <cassert> |
| 17 | |
| 18 | int main() |
| 19 | { |
| 20 | typedef std::negate<int> F; |
| 21 | const F f = F(); |
| 22 | static_assert((std::is_base_of<std::unary_function<int, int>, F>::value), ""); |
| 23 | assert(f(36) == -36); |
| 24 | } |