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//===----------------------------------------------------------------------===//
//
// 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>
// not_equal_to
#include <functional>
#include <type_traits>
#include <cassert>
int main()
{
typedef std::not_equal_to<int> F;
const F f = F();
static_assert((std::is_base_of<std::binary_function<int, int, bool>, F>::value), "");
assert(!f(36, 36));
assert(f(36, 6));
#if _LIBCPP_STD_VER > 11
typedef std::not_equal_to<> F2;
const F2 f2 = F2();
assert(!f2(36, 36));
assert( f2(36, 6));
assert( f2(36, 6.0));
assert( f2(36.0, 6));
assert(!f2(36.0, 36));
assert(!f2(36, 36.0));
constexpr bool foo = std::not_equal_to<int> () (36, 36);
static_assert ( !foo, "" );
constexpr bool bar = std::not_equal_to<> () (36.0, 36);
static_assert ( !bar, "" );
#endif
}
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