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
49
50
51
52
53
54
55
56
|
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef EMPLACEABLE_H
#define EMPLACEABLE_H
#include <functional>
#include "test_macros.h"
#if TEST_STD_VER >= 11
class Emplaceable {
TEST_CONSTEXPR Emplaceable(const Emplaceable&);
TEST_CONSTEXPR_CXX14 Emplaceable& operator=(const Emplaceable&);
int int_;
double double_;
public:
TEST_CONSTEXPR_CXX20 Emplaceable() : int_(0), double_(0) {}
TEST_CONSTEXPR_CXX20 Emplaceable(int i, double d) : int_(i), double_(d) {}
TEST_CONSTEXPR_CXX20 Emplaceable(Emplaceable&& x) : int_(x.int_), double_(x.double_) {
x.int_ = 0;
x.double_ = 0;
}
TEST_CONSTEXPR_CXX20 Emplaceable& operator=(Emplaceable&& x) {
int_ = x.int_;
x.int_ = 0;
double_ = x.double_;
x.double_ = 0;
return *this;
}
TEST_CONSTEXPR_CXX20 bool operator==(const Emplaceable& x) const { return int_ == x.int_ && double_ == x.double_; }
TEST_CONSTEXPR_CXX20 bool operator<(const Emplaceable& x) const {
return int_ < x.int_ || (int_ == x.int_ && double_ < x.double_);
}
TEST_CONSTEXPR_CXX20 int get() const { return int_; }
};
template <>
struct std::hash<Emplaceable> {
typedef Emplaceable argument_type;
typedef std::size_t result_type;
TEST_CONSTEXPR_CXX20 std::size_t operator()(const Emplaceable& x) const { return static_cast<std::size_t>(x.get()); }
};
#endif // TEST_STD_VER >= 11
#endif // EMPLACEABLE_H
|
