forked from OSchip/llvm-project
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
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>
|
|
|
|
// 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_same<int, F::first_argument_type>::value), "" );
|
|
static_assert((std::is_same<int, F::second_argument_type>::value), "" );
|
|
static_assert((std::is_same<bool, F::result_type>::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
|
|
}
|