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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html
#ifndef _LIBCPP___CHRONO_LEAP_SECOND_H
#define _LIBCPP___CHRONO_LEAP_SECOND_H
#include <version>
// Enable the contents of the header only when libc++ was built with experimental features enabled.
#if !defined(_LIBCPP_HAS_NO_EXPERIMENTAL_TZDB)
# include <__chrono/duration.h>
# include <__chrono/system_clock.h>
# include <__chrono/time_point.h>
# include <__compare/ordering.h>
# include <__compare/three_way_comparable.h>
# include <__config>
# include <__utility/private_constructor_tag.h>
# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
# endif
_LIBCPP_BEGIN_NAMESPACE_STD
# if _LIBCPP_STD_VER >= 20
namespace chrono {
class leap_second {
public:
[[nodiscard]]
_LIBCPP_HIDE_FROM_ABI explicit constexpr leap_second(__private_constructor_tag, sys_seconds __date, seconds __value)
: __date_(__date), __value_(__value) {}
_LIBCPP_HIDE_FROM_ABI leap_second(const leap_second&) = default;
_LIBCPP_HIDE_FROM_ABI leap_second& operator=(const leap_second&) = default;
_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI constexpr sys_seconds date() const noexcept { return __date_; }
_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI constexpr seconds value() const noexcept { return __value_; }
private:
sys_seconds __date_;
seconds __value_;
};
_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(const leap_second& __x, const leap_second& __y) {
return __x.date() == __y.date();
}
_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering operator<=>(const leap_second& __x, const leap_second& __y) {
return __x.date() <=> __y.date();
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator==(const leap_second& __x, const sys_time<_Duration>& __y) {
return __x.date() == __y;
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator<(const leap_second& __x, const sys_time<_Duration>& __y) {
return __x.date() < __y;
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator<(const sys_time<_Duration>& __x, const leap_second& __y) {
return __x < __y.date();
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator>(const leap_second& __x, const sys_time<_Duration>& __y) {
return __y < __x;
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator>(const sys_time<_Duration>& __x, const leap_second& __y) {
return __y < __x;
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator<=(const leap_second& __x, const sys_time<_Duration>& __y) {
return !(__y < __x);
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator<=(const sys_time<_Duration>& __x, const leap_second& __y) {
return !(__y < __x);
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator>=(const leap_second& __x, const sys_time<_Duration>& __y) {
return !(__x < __y);
}
template <class _Duration>
_LIBCPP_HIDE_FROM_ABI constexpr bool operator>=(const sys_time<_Duration>& __x, const leap_second& __y) {
return !(__x < __y);
}
# ifndef _LIBCPP_COMPILER_GCC
// This requirement cause a compilation loop in GCC-13 and running out of memory.
// TODO TZDB Test whether GCC-14 fixes this.
template <class _Duration>
requires three_way_comparable_with<sys_seconds, sys_time<_Duration>>
_LIBCPP_HIDE_FROM_ABI constexpr auto operator<=>(const leap_second& __x, const sys_time<_Duration>& __y) {
return __x.date() <=> __y;
}
# endif
} // namespace chrono
# endif //_LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
#endif // !defined(_LIBCPP_HAS_NO_EXPERIMENTAL_TZDB)
#endif // _LIBCPP___CHRONO_LEAP_SECOND_H
|
