cxx/test/utilities/function.objects/negators/unary_negate.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

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C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <functional>
// unary_negate
#include <functional>
#include <type_traits>
#include <cassert>
int main()
{
typedef std::unary_negate<std::logical_not<int> > F;
const F f = F(std::logical_not<int>());
static_assert((std::is_base_of<std::unary_function<int, bool>, F>::value), "");
assert(f(36));
assert(!f(0));
}