cxx/test/utilities/function.objects/logical.operations/logical_not.pass.cpp

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <functional>
// logical_not
#include <functional>
#include <type_traits>
#include <cassert>
int main()
{
typedef std::logical_not<int> F;
const F f = F();
static_assert((std::is_base_of<std::unary_function<int, bool>, F>::value), "");
assert(!f(36));
assert(f(0));
}