1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
// <functional>
// equal_to
#include <functional>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
typedef std::equal_to<int> F;
const F f = F();
#if TEST_STD_VER <= 17
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), "" );
#endif
assert(f(36, 36));
assert(!f(36, 6));
#if TEST_STD_VER > 11
typedef std::equal_to<> F2;
const F2 f2 = F2();
assert(f2(36, 36));
assert(!f2(36, 6));
assert(f2(36, 36.0));
assert(f2(36.0, 36L));
constexpr bool foo = std::equal_to<int> () (36, 36);
static_assert ( foo, "" );
constexpr bool bar = std::equal_to<> () (36.0, 36);
static_assert ( bar, "" );
#endif
return 0;
}
|
