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-rw-r--r--libcxx/include/chrono1033
1 files changed, 1032 insertions, 1 deletions
diff --git a/libcxx/include/chrono b/libcxx/include/chrono
index 0691101010f..1812df8f495 100644
--- a/libcxx/include/chrono
+++ b/libcxx/include/chrono
@@ -748,6 +748,7 @@ unspecified
parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
basic_string<charT, traits, Alloc>& abbrev, minutes& offset);
+// calendrical constants
inline constexpr last_spec last{}; // C++20
inline constexpr chrono::weekday Sunday{0}; // C++20
inline constexpr chrono::weekday Monday{1}; // C++20
@@ -1091,7 +1092,12 @@ typedef duration<long long, milli> milliseconds;
typedef duration<long long > seconds;
typedef duration< long, ratio< 60> > minutes;
typedef duration< long, ratio<3600> > hours;
-
+#if _LIBCPP_STD_VER > 17
+typedef duration< int, ratio_multiply<ratio<24>, hours::period>> days;
+typedef duration< int, ratio_multiply<ratio<7>, days::period>> weeks;
+typedef duration< int, ratio_multiply<ratio<146097, 400>, days::period>> years;
+typedef duration< int, ratio_divide<years::period, ratio<12>>> months;
+#endif
// Duration ==
template <class _LhsDuration, class _RhsDuration>
@@ -1574,6 +1580,1020 @@ typedef steady_clock high_resolution_clock;
typedef system_clock high_resolution_clock;
#endif
+#if _LIBCPP_STD_VER > 17
+
+struct _LIBCPP_TYPE_VIS last_spec { explicit last_spec() = default; };
+
+
+class _LIBCPP_TYPE_VIS day {
+private:
+ unsigned char __d;
+public:
+ day() = default;
+ explicit inline constexpr day(unsigned __val) noexcept : __d(static_cast<unsigned char>(__val)) {}
+ inline constexpr day& operator++() noexcept { ++__d; return *this; }
+ inline constexpr day operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; }
+ inline constexpr day& operator--() noexcept { --__d; return *this; }
+ inline constexpr day operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; }
+ constexpr day& operator+=(const days& __dd) noexcept;
+ constexpr day& operator-=(const days& __dd) noexcept;
+ explicit inline constexpr operator unsigned() const noexcept { return __d; }
+ inline constexpr bool ok() const noexcept { return __d >= 1 && __d <= 31; }
+ };
+
+
+inline constexpr
+bool operator==(const day& __lhs, const day& __rhs) noexcept
+{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
+
+inline constexpr
+bool operator!=(const day& __lhs, const day& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+bool operator< (const day& __lhs, const day& __rhs) noexcept
+{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
+
+inline constexpr
+bool operator> (const day& __lhs, const day& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const day& __lhs, const day& __rhs) noexcept
+{ return !(__rhs < __lhs);}
+
+inline constexpr
+bool operator>=(const day& __lhs, const day& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+inline constexpr
+day operator+ (const day& __lhs, const days& __rhs) noexcept
+{ return day(static_cast<unsigned>(__lhs) + __rhs.count()); }
+
+inline constexpr
+day operator+ (const days& __lhs, const day& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+day operator- (const day& __lhs, const days& __rhs) noexcept
+{ return __lhs + -__rhs; }
+
+inline constexpr
+days operator-(const day& __lhs, const day& __rhs) noexcept
+{ return days(static_cast<int>(static_cast<unsigned>(__lhs)) -
+ static_cast<int>(static_cast<unsigned>(__rhs))); }
+
+inline constexpr day& day::operator+=(const days& __dd) noexcept
+{ *this = *this + __dd; return *this; }
+
+inline constexpr day& day::operator-=(const days& __dd) noexcept
+{ *this = *this - __dd; return *this; }
+
+
+class _LIBCPP_TYPE_VIS month {
+private:
+ unsigned char __m;
+public:
+ month() = default;
+ explicit inline constexpr month(unsigned __val) noexcept : __m(static_cast<unsigned char>(__val)) {}
+ inline constexpr month& operator++() noexcept { ++__m; return *this; }
+ inline constexpr month operator++(int) noexcept { month __tmp = *this; ++(*this); return __tmp; }
+ inline constexpr month& operator--() noexcept { --__m; return *this; }
+ inline constexpr month operator--(int) noexcept { month __tmp = *this; --(*this); return __tmp; }
+ constexpr month& operator+=(const months& __m1) noexcept;
+ constexpr month& operator-=(const months& __m1) noexcept;
+ explicit inline constexpr operator unsigned() const noexcept { return __m; }
+ inline constexpr bool ok() const noexcept { return __m >= 1 && __m <= 12; }
+};
+
+
+inline constexpr
+bool operator==(const month& __lhs, const month& __rhs) noexcept
+{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
+
+inline constexpr
+bool operator!=(const month& __lhs, const month& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+bool operator< (const month& __lhs, const month& __rhs) noexcept
+{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
+
+inline constexpr
+bool operator> (const month& __lhs, const month& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const month& __lhs, const month& __rhs) noexcept
+{ return !(__rhs < __lhs); }
+
+inline constexpr
+bool operator>=(const month& __lhs, const month& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+inline constexpr
+month operator+ (const month& __lhs, const months& __rhs) noexcept
+{
+ auto const __mu = static_cast<long long>(static_cast<unsigned>(__lhs)) + (__rhs.count() - 1);
+ auto const __yr = (__mu >= 0 ? __mu : __mu - 11) / 12;
+ return month{static_cast<unsigned>(__mu - __yr * 12 + 1)};
+}
+
+inline constexpr
+month operator+ (const months& __lhs, const month& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+month operator- (const month& __lhs, const months& __rhs) noexcept
+{ return __lhs + -__rhs; }
+
+inline constexpr
+months operator-(const month& __lhs, const month& __rhs) noexcept
+{
+ auto const __dm = static_cast<unsigned>(__lhs) - static_cast<unsigned>(__rhs);
+ return months(__dm <= 11 ? __dm : __dm + 12);
+}
+
+inline constexpr month& month::operator+=(const months& __dm) noexcept
+{ *this = *this + __dm; return *this; }
+
+inline constexpr month& month::operator-=(const months& __dm) noexcept
+{ *this = *this - __dm; return *this; }
+
+
+class _LIBCPP_TYPE_VIS year {
+private:
+ short __y;
+public:
+ year() = default;
+ explicit inline constexpr year(int __val) noexcept : __y(static_cast<short>(__val)) {}
+
+ inline constexpr year& operator++() noexcept { ++__y; return *this; };
+ inline constexpr year operator++(int) noexcept { year __tmp = *this; ++(*this); return __tmp; };
+ inline constexpr year& operator--() noexcept { --__y; return *this; };
+ inline constexpr year operator--(int) noexcept { year __tmp = *this; --(*this); return __tmp; };
+ constexpr year& operator+=(const years& __dy) noexcept;
+ constexpr year& operator-=(const years& __dy) noexcept;
+ inline constexpr year operator+() const noexcept { return *this; }
+ inline constexpr year operator-() const noexcept { return year{-__y}; };
+
+ inline constexpr bool is_leap() const noexcept { return __y % 4 == 0 && (__y % 100 != 0 || __y % 400 == 0); }
+ explicit inline constexpr operator int() const noexcept { return __y; }
+ constexpr bool ok() const noexcept;
+ static inline constexpr year min() noexcept { return year{-32767}; }
+ static inline constexpr year max() noexcept { return year{ 32767}; }
+};
+
+
+inline constexpr
+bool operator==(const year& __lhs, const year& __rhs) noexcept
+{ return static_cast<int>(__lhs) == static_cast<int>(__rhs); }
+
+inline constexpr
+bool operator!=(const year& __lhs, const year& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+bool operator< (const year& __lhs, const year& __rhs) noexcept
+{ return static_cast<int>(__lhs) < static_cast<int>(__rhs); }
+
+inline constexpr
+bool operator> (const year& __lhs, const year& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const year& __lhs, const year& __rhs) noexcept
+{ return !(__rhs < __lhs); }
+
+inline constexpr
+bool operator>=(const year& __lhs, const year& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+inline constexpr
+year operator+ (const year& __lhs, const years& __rhs) noexcept
+{ return year(static_cast<int>(__lhs) + __rhs.count()); }
+
+inline constexpr
+year operator+ (const years& __lhs, const year& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year operator- (const year& __lhs, const years& __rhs) noexcept
+{ return __lhs + -__rhs; }
+
+inline constexpr
+years operator-(const year& __lhs, const year& __rhs) noexcept
+{ return years{static_cast<int>(__lhs) - static_cast<int>(__rhs)}; }
+
+
+inline constexpr year& year::operator+=(const years& __dy) noexcept
+{ *this = *this + __dy; return *this; }
+
+inline constexpr year& year::operator-=(const years& __dy) noexcept
+{ *this = *this - __dy; return *this; }
+
+inline constexpr bool year::ok() const noexcept
+{ return static_cast<int>(min()) <= __y && __y <= static_cast<int>(max()); }
+
+class _LIBCPP_TYPE_VIS weekday_indexed;
+class _LIBCPP_TYPE_VIS weekday_last;
+
+class _LIBCPP_TYPE_VIS weekday {
+private:
+ unsigned char __wd;
+public:
+ weekday() = default;
+ explicit inline constexpr weekday(unsigned __val) noexcept: __wd(static_cast<unsigned char>(__val)) {}
+// inline constexpr weekday(const sys_days& dp) noexcept;
+// explicit constexpr weekday(const local_days& dp) noexcept;
+ inline constexpr weekday& operator++() noexcept { __wd = (__wd == 6 ? 0 : __wd + 1); return *this; }
+ inline constexpr weekday operator++(int) noexcept { weekday __tmp = *this; ++(*this); return __tmp; }
+ inline constexpr weekday& operator--() noexcept { __wd = (__wd == 0 ? 6 : __wd - 1); return *this; }
+ inline constexpr weekday operator--(int) noexcept { weekday __tmp = *this; --(*this); return __tmp; }
+ constexpr weekday& operator+=(const days& __dd) noexcept;
+ constexpr weekday& operator-=(const days& __dd) noexcept;
+ explicit inline constexpr operator unsigned() const noexcept { return __wd; }
+ inline constexpr bool ok() const noexcept { return __wd <= 6; }
+ constexpr weekday_indexed operator[](unsigned __index) const noexcept;
+ constexpr weekday_last operator[](last_spec) const noexcept;
+};
+
+inline constexpr
+bool operator==(const weekday& __lhs, const weekday& __rhs) noexcept
+{ return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
+
+inline constexpr
+bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+bool operator< (const weekday& __lhs, const weekday& __rhs) noexcept
+{ return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
+
+inline constexpr
+bool operator> (const weekday& __lhs, const weekday& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const weekday& __lhs, const weekday& __rhs) noexcept
+{ return !(__rhs < __lhs);}
+
+inline constexpr
+bool operator>=(const weekday& __lhs, const weekday& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+constexpr weekday operator+(const weekday& __lhs, const days& __rhs) noexcept
+{
+ auto const __mu = static_cast<long long>(static_cast<unsigned>(__lhs)) + __rhs.count();
+ auto const __yr = (__mu >= 0 ? __mu : __mu - 6) / 7;
+ return weekday{static_cast<unsigned>(__mu - __yr * 7)};
+}
+
+constexpr weekday operator+(const days& __lhs, const weekday& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+constexpr weekday operator-(const weekday& __lhs, const days& __rhs) noexcept
+{ return __lhs + -__rhs; }
+
+constexpr days operator-(const weekday& __lhs, const weekday& __rhs) noexcept
+{
+ const int __wdu = static_cast<unsigned>(__lhs) - static_cast<unsigned>(__rhs);
+ const int __wk = (__wdu >= 0 ? __wdu : __wdu-6) / 7;
+ return days{__wdu - __wk * 7};
+}
+
+inline constexpr weekday& weekday::operator+=(const days& __dd) noexcept
+{ *this = *this + __dd; return *this; }
+
+inline constexpr weekday& weekday::operator-=(const days& __dd) noexcept
+{ *this = *this - __dd; return *this; }
+
+
+class _LIBCPP_TYPE_VIS weekday_indexed {
+private:
+ _VSTD::chrono::weekday __wd;
+ unsigned char __idx;
+public:
+ weekday_indexed() = default;
+ inline constexpr weekday_indexed(const _VSTD::chrono::weekday& __wdval, unsigned __idxval) noexcept
+ : __wd{__wdval}, __idx(__idxval) {}
+ inline constexpr _VSTD::chrono::weekday weekday() const noexcept { return __wd; }
+ inline constexpr unsigned index() const noexcept { return __idx; }
+ inline constexpr bool ok() const noexcept { return __wd.ok() && __idx >= 1 && __idx <= 5; }
+};
+
+inline constexpr
+bool operator==(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
+{ return __lhs.weekday() == __rhs.weekday() && __lhs.index() == __rhs.index(); }
+
+inline constexpr
+bool operator!=(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+
+class _LIBCPP_TYPE_VIS weekday_last {
+private:
+ _VSTD::chrono::weekday __wd;
+public:
+ explicit constexpr weekday_last(const _VSTD::chrono::weekday& __val) noexcept
+ : __wd{__val} {}
+ constexpr _VSTD::chrono::weekday weekday() const noexcept { return __wd; }
+ constexpr bool ok() const noexcept { return __wd.ok(); }
+};
+
+inline constexpr
+bool operator==(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
+{ return __lhs.weekday() == __rhs.weekday(); }
+
+inline constexpr
+bool operator!=(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+weekday_indexed weekday::operator[](unsigned __index) const noexcept { return weekday_indexed{*this, __index}; }
+
+inline constexpr
+weekday_last weekday::operator[](last_spec) const noexcept { return weekday_last{*this}; }
+
+
+inline constexpr last_spec last{};
+inline constexpr weekday Sunday{0};
+inline constexpr weekday Monday{1};
+inline constexpr weekday Tuesday{2};
+inline constexpr weekday Wednesday{3};
+inline constexpr weekday Thursday{4};
+inline constexpr weekday Friday{5};
+inline constexpr weekday Saturday{6};
+
+inline constexpr month January{1};
+inline constexpr month February{2};
+inline constexpr month March{3};
+inline constexpr month April{4};
+inline constexpr month May{5};
+inline constexpr month June{6};
+inline constexpr month July{7};
+inline constexpr month August{8};
+inline constexpr month September{9};
+inline constexpr month October{10};
+inline constexpr month November{11};
+inline constexpr month December{12};
+
+
+class _LIBCPP_TYPE_VIS month_day {
+private:
+ chrono::month __m;
+ chrono::day __d;
+public:
+ month_day() = default;
+ constexpr month_day(const chrono::month& __mval, const chrono::day& __dval) noexcept
+ : __m{__mval}, __d{__dval} {}
+ inline constexpr chrono::month month() const noexcept { return __m; }
+ inline constexpr chrono::day day() const noexcept { return __d; }
+ constexpr bool ok() const noexcept;
+};
+
+inline constexpr
+bool month_day::ok() const noexcept
+{
+ if (!__m.ok()) return false;
+ const unsigned __dval = static_cast<unsigned>(__d);
+ if (__dval < 1 || __dval > 31) return false;
+ if (__dval <= 29) return true;
+// Now we've got either 30 or 31
+ const unsigned __mval = static_cast<unsigned>(__m);
+ if (__mval == 2) return false;
+ if (__mval == 4 || __mval == 6 || __mval == 9 || __mval == 11)
+ return __dval == 30;
+ return true;
+}
+
+inline constexpr
+bool operator==(const month_day& __lhs, const month_day& __rhs) noexcept
+{ return __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
+
+inline constexpr
+bool operator!=(const month_day& __lhs, const month_day& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+month_day operator/(const month& __lhs, const day& __rhs) noexcept
+{ return month_day{__lhs, __rhs}; }
+
+constexpr
+month_day operator/(const day& __lhs, const month& __rhs) noexcept
+{ return __rhs / __lhs; }
+
+inline constexpr
+month_day operator/(const month& __lhs, int __rhs) noexcept
+{ return __lhs / day(__rhs); }
+
+constexpr
+month_day operator/(int __lhs, const day& __rhs) noexcept
+{ return month(__lhs) / __rhs; }
+
+constexpr
+month_day operator/(const day& __lhs, int __rhs) noexcept
+{ return month(__rhs) / __lhs; }
+
+
+inline constexpr
+bool operator< (const month_day& __lhs, const month_day& __rhs) noexcept
+{ return __lhs.month() != __rhs.month() ? __lhs.month() < __rhs.month() : __lhs.day() < __rhs.day(); }
+
+inline constexpr
+bool operator> (const month_day& __lhs, const month_day& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const month_day& __lhs, const month_day& __rhs) noexcept
+{ return !(__rhs < __lhs);}
+
+inline constexpr
+bool operator>=(const month_day& __lhs, const month_day& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+
+
+class _LIBCPP_TYPE_VIS month_day_last {
+private:
+ chrono::month __m;
+public:
+ explicit constexpr month_day_last(const chrono::month& __val) noexcept
+ : __m{__val} {}
+ inline constexpr chrono::month month() const noexcept { return __m; }
+ inline constexpr bool ok() const noexcept { return __m.ok(); }
+};
+
+inline constexpr
+bool operator==(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
+{ return __lhs.month() == __rhs.month(); }
+
+inline constexpr
+bool operator!=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+bool operator< (const month_day_last& __lhs, const month_day_last& __rhs) noexcept
+{ return __lhs.month() < __rhs.month(); }
+
+inline constexpr
+bool operator> (const month_day_last& __lhs, const month_day_last& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
+{ return !(__rhs < __lhs);}
+
+inline constexpr
+bool operator>=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+inline constexpr
+month_day_last operator/(const month& __lhs, last_spec) noexcept
+{ return month_day_last{__lhs}; }
+
+inline constexpr
+month_day_last operator/(last_spec, const month& __rhs) noexcept
+{ return month_day_last{__rhs}; }
+
+inline constexpr
+month_day_last operator/(int __lhs, last_spec) noexcept
+{ return month_day_last{month(__lhs)}; }
+
+inline constexpr
+month_day_last operator/(last_spec, int __rhs) noexcept
+{ return month_day_last{month(__rhs)}; }
+
+
+class _LIBCPP_TYPE_VIS month_weekday {
+private:
+ chrono::month __m;
+ chrono::weekday_indexed __wdi;
+public:
+ month_weekday() = default;
+ constexpr month_weekday(const chrono::month& __mval, const chrono::weekday_indexed& __wdival) noexcept
+ : __m{__mval}, __wdi{__wdival} {}
+ inline constexpr chrono::month month() const noexcept { return __m; }
+ inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; }
+ inline constexpr bool ok() const noexcept { return __m.ok() && __wdi.ok(); }
+};
+
+inline constexpr
+bool operator==(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
+{ return __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); }
+
+inline constexpr
+bool operator!=(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+month_weekday operator/(const month& __lhs, const weekday_indexed& __rhs) noexcept
+{ return month_weekday{__lhs, __rhs}; }
+
+inline constexpr
+month_weekday operator/(int __lhs, const weekday_indexed& __rhs) noexcept
+{ return month_weekday{month(__lhs), __rhs}; }
+
+inline constexpr
+month_weekday operator/(const weekday_indexed& __lhs, const month& __rhs) noexcept
+{ return month_weekday{__rhs, __lhs}; }
+
+inline constexpr
+month_weekday operator/(const weekday_indexed& __lhs, int __rhs) noexcept
+{ return month_weekday{month(__rhs), __lhs}; }
+
+
+class _LIBCPP_TYPE_VIS month_weekday_last {
+ chrono::month __m;
+ chrono::weekday_last __wdl;
+ public:
+ constexpr month_weekday_last(const chrono::month& __mval, const chrono::weekday_last& __wdlval) noexcept
+ : __m{__mval}, __wdl{__wdlval} {}
+ inline constexpr chrono::month month() const noexcept { return __m; }
+ inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; }
+ inline constexpr bool ok() const noexcept { return __m.ok() && __wdl.ok(); }
+};
+
+inline constexpr
+bool operator==(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
+{ return __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); }
+
+inline constexpr
+bool operator!=(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+
+inline constexpr
+month_weekday_last operator/(const month& __lhs, const weekday_last& __rhs) noexcept
+{ return month_weekday_last{__lhs, __rhs}; }
+
+inline constexpr
+month_weekday_last operator/(int __lhs, const weekday_last& __rhs) noexcept
+{ return month_weekday_last{month(__lhs), __rhs}; }
+
+inline constexpr
+month_weekday_last operator/(const weekday_last& __lhs, const month& __rhs) noexcept
+{ return month_weekday_last{__rhs, __lhs}; }
+
+inline constexpr
+month_weekday_last operator/(const weekday_last& __lhs, int __rhs) noexcept
+{ return month_weekday_last{month(__rhs), __lhs}; }
+
+
+class _LIBCPP_TYPE_VIS year_month {
+ chrono::year __y;
+ chrono::month __m;
+public:
+ year_month() = default;
+ constexpr year_month(const chrono::year& __yval, const chrono::month& __mval) noexcept
+ : __y{__yval}, __m{__mval} {}
+ inline constexpr chrono::year year() const noexcept { return __y; }
+ inline constexpr chrono::month month() const noexcept { return __m; }
+ inline constexpr year_month& operator+=(const months& __dm) noexcept { this->__m += __dm; return *this; }
+ inline constexpr year_month& operator-=(const months& __dm) noexcept { this->__m -= __dm; return *this; }
+ inline constexpr year_month& operator+=(const years& __dy) noexcept { this->__y += __dy; return *this; }
+ inline constexpr year_month& operator-=(const years& __dy) noexcept { this->__y -= __dy; return *this; }
+ inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok(); }
+};
+
+inline constexpr
+year_month operator/(const year& __y, const month& __m) noexcept { return year_month{__y, __m}; }
+
+inline constexpr
+year_month operator/(const year& __y, int __m) noexcept { return year_month{__y, month(__m)}; }
+
+inline constexpr
+bool operator==(const year_month& __lhs, const year_month& __rhs) noexcept
+{ return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month(); }
+
+inline constexpr
+bool operator!=(const year_month& __lhs, const year_month& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+bool operator< (const year_month& __lhs, const year_month& __rhs) noexcept
+{ return __lhs.year() != __rhs.year() ? __lhs.year() < __rhs.year() : __lhs.month() < __rhs.month(); }
+
+inline constexpr
+bool operator> (const year_month& __lhs, const year_month& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const year_month& __lhs, const year_month& __rhs) noexcept
+{ return !(__rhs < __lhs);}
+
+inline constexpr
+bool operator>=(const year_month& __lhs, const year_month& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+constexpr year_month operator+(const year_month& __lhs, const months& __rhs) noexcept
+{
+ int __dmi = static_cast<int>(static_cast<unsigned>(__lhs.month())) - 1 + __rhs.count();
+ const int __dy = (__dmi >= 0 ? __dmi : __dmi-11) / 12;
+ __dmi = __dmi - __dy * 12 + 1;
+ return (__lhs.year() + years(__dy)) / month(static_cast<unsigned>(__dmi));
+}
+
+constexpr year_month operator+(const months& __lhs, const year_month& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+constexpr year_month operator+(const year_month& __lhs, const years& __rhs) noexcept
+{ return (__lhs.year() + __rhs) / __lhs.month(); }
+
+constexpr year_month operator+(const years& __lhs, const year_month& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+constexpr months operator-(const year_month& __lhs, const year_month& __rhs) noexcept
+{ return (__lhs.year() - __rhs.year()) + months(static_cast<unsigned>(__lhs.month()) - static_cast<unsigned>(__rhs.month())); }
+
+constexpr year_month operator-(const year_month& __lhs, const months& __rhs) noexcept
+{ return __lhs + -__rhs; }
+
+constexpr year_month operator-(const year_month& __lhs, const years& __rhs) noexcept
+{ return __lhs + -__rhs; }
+
+
+class _LIBCPP_TYPE_VIS year_month_day {
+private:
+ chrono::year __y;
+ chrono::month __m;
+ chrono::day __d;
+public:
+ year_month_day() = default;
+ inline constexpr year_month_day(
+ const chrono::year& __yval, const chrono::month& __mval, const chrono::day& __dval) noexcept
+ : __y{__yval}, __m{__mval}, __d{__dval} {}
+// inline constexpr year_month_day(const year_month_day_last& __ymdl) noexcept;
+// inline constexpr year_month_day(const sys_days& dp) noexcept;
+// inline explicit constexpr year_month_day(const local_days& dp) noexcept;
+ constexpr year_month_day& operator+=(const months& __dm) noexcept;
+ constexpr year_month_day& operator-=(const months& __dm) noexcept;
+ constexpr year_month_day& operator+=(const years& __dy) noexcept;
+ constexpr year_month_day& operator-=(const years& __dy) noexcept;
+ inline constexpr chrono::year year() const noexcept { return __y; }
+ inline constexpr chrono::month month() const noexcept { return __m; }
+ inline constexpr chrono::day day() const noexcept { return __d; }
+// inline constexpr operator sys_days() const noexcept;
+// inline explicit constexpr operator local_days() const noexcept;
+
+// TODO: This is not quite correct; requires the calendar bits to do right
+// d_ is in the range [1d, (y_/m_/last).day()],
+ inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok() && __d.ok(); }
+};
+
+inline constexpr
+bool operator==(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
+{ return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
+
+inline constexpr
+bool operator!=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+bool operator< (const year_month_day& __lhs, const year_month_day& __rhs) noexcept
+{
+ if (__lhs.year() < __rhs.year()) return true;
+ if (__lhs.year() > __rhs.year()) return false;
+ if (__lhs.month() < __rhs.month()) return true;
+ if (__lhs.month() > __rhs.month()) return false;
+ return __lhs.day() < __rhs.day();
+}
+
+inline constexpr
+bool operator> (const year_month_day& __lhs, const year_month_day& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
+{ return !(__rhs < __lhs);}
+
+inline constexpr
+bool operator>=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+inline constexpr
+year_month_day operator/(const year_month& __lhs, const day& __rhs) noexcept
+{ return year_month_day{__lhs.year(), __lhs.month(), __rhs}; }
+
+inline constexpr
+year_month_day operator/(const year_month& __lhs, int __rhs) noexcept
+{ return __lhs / day(__rhs); }
+
+inline constexpr
+year_month_day operator/(const year& __lhs, const month_day& __rhs) noexcept
+{ return __lhs / __rhs.month() / __rhs.day(); }
+
+inline constexpr
+year_month_day operator/(int __lhs, const month_day& __rhs) noexcept
+{ return year(__lhs) / __rhs; }
+
+inline constexpr
+year_month_day operator/(const month_day& __lhs, const year& __rhs) noexcept
+{ return __rhs / __lhs; }
+
+inline constexpr
+year_month_day operator/(const month_day& __lhs, int __rhs) noexcept
+{ return year(__rhs) / __lhs; }
+
+
+inline constexpr
+year_month_day operator+(const year_month_day& __lhs, const months& __rhs) noexcept
+{ return (__lhs.year()/__lhs.month() + __rhs)/__lhs.day(); }
+
+inline constexpr
+year_month_day operator+(const months& __lhs, const year_month_day& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year_month_day operator-(const year_month_day& __lhs, const months& __rhs) noexcept
+{ return __lhs + -__rhs; }
+
+inline constexpr
+year_month_day operator+(const year_month_day& __lhs, const years& __rhs) noexcept
+{ return (__lhs.year() + __rhs) / __lhs.month() / __lhs.day(); }
+
+inline constexpr
+year_month_day operator+(const years& __lhs, const year_month_day& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year_month_day operator-(const year_month_day& __lhs, const years& __rhs) noexcept
+{ return __lhs + -__rhs; }
+
+inline constexpr year_month_day& year_month_day::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
+inline constexpr year_month_day& year_month_day::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
+inline constexpr year_month_day& year_month_day::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
+inline constexpr year_month_day& year_month_day::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
+
+class _LIBCPP_TYPE_VIS year_month_day_last {
+private:
+ chrono::year __y;
+ chrono::month_day_last __mdl;
+public:
+ constexpr year_month_day_last(const year& __yval, const month_day_last& __mdlval) noexcept
+ : __y{__yval}, __mdl{__mdlval} {}
+
+ constexpr year_month_day_last& operator+=(const months& __m) noexcept;
+ constexpr year_month_day_last& operator-=(const months& __m) noexcept;
+ constexpr year_month_day_last& operator+=(const years& __y) noexcept;
+ constexpr year_month_day_last& operator-=(const years& __y) noexcept;
+
+ constexpr chrono::year year() const noexcept { return __y; }
+ constexpr chrono::month month() const noexcept { return __mdl.month(); }
+ constexpr chrono::month_day_last month_day_last() const noexcept { return __mdl; }
+// constexpr chrono::day day() const noexcept;
+// constexpr operator sys_days() const noexcept;
+// explicit constexpr operator local_days() const noexcept;
+ constexpr bool ok() const noexcept { return __y.ok() && __mdl.ok(); }
+};
+
+inline constexpr
+bool operator==(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
+{ return __lhs.year() == __rhs.year() && __lhs.month_day_last() == __rhs.month_day_last(); }
+
+inline constexpr
+bool operator!=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+bool operator< (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
+{
+ if (__lhs.year() < __rhs.year()) return true;
+ if (__lhs.year() > __rhs.year()) return false;
+ return __lhs.month_day_last() < __rhs.month_day_last();
+}
+
+inline constexpr
+bool operator> (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
+{ return __rhs < __lhs; }
+
+inline constexpr
+bool operator<=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
+{ return !(__rhs < __lhs);}
+
+inline constexpr
+bool operator>=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
+{ return !(__lhs < __rhs); }
+
+inline constexpr year_month_day_last operator/(const year_month& __lhs, last_spec) noexcept
+{ return year_month_day_last{__lhs.year(), month_day_last{__lhs.month()}}; }
+
+inline constexpr year_month_day_last operator/(const year& __lhs, const month_day_last& __rhs) noexcept
+{ return year_month_day_last{__lhs, __rhs}; }
+
+inline constexpr year_month_day_last operator/(int __lhs, const month_day_last& __rhs) noexcept
+{ return year_month_day_last{year{__lhs}, __rhs}; }
+
+inline constexpr year_month_day_last operator/(const month_day_last& __lhs, const year& __rhs) noexcept
+{ return __rhs / __lhs; }
+
+inline constexpr year_month_day_last operator/(const month_day_last& __lhs, int __rhs) noexcept
+{ return year{__rhs} / __lhs; }
+
+
+inline constexpr
+year_month_day_last operator+(const year_month_day_last& __lhs, const months& __rhs) noexcept
+{ return (__lhs.year() / __lhs.month() + __rhs) / last; }
+
+inline constexpr
+year_month_day_last operator+(const months& __lhs, const year_month_day_last& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year_month_day_last operator-(const year_month_day_last& __lhs, const months& __rhs) noexcept
+{ return __lhs + (-__rhs); }
+
+inline constexpr
+year_month_day_last operator+(const year_month_day_last& __lhs, const years& __rhs) noexcept
+{ return year_month_day_last{__lhs.year() + __rhs, __lhs.month_day_last()}; }
+
+inline constexpr
+year_month_day_last operator+(const years& __lhs, const year_month_day_last& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year_month_day_last operator-(const year_month_day_last& __lhs, const years& __rhs) noexcept
+{ return __lhs + (-__rhs); }
+
+inline constexpr year_month_day_last& year_month_day_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
+inline constexpr year_month_day_last& year_month_day_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
+inline constexpr year_month_day_last& year_month_day_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
+inline constexpr year_month_day_last& year_month_day_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
+
+class _LIBCPP_TYPE_VIS year_month_weekday {
+ chrono::year __y;
+ chrono::month __m;
+ chrono::weekday_indexed __wdi;
+public:
+ year_month_weekday() = default;
+ constexpr year_month_weekday(const chrono::year& __yval, const chrono::month& __mval,
+ const chrono::weekday_indexed& __wdival) noexcept
+ : __y{__yval}, __m{__mval}, __wdi{__wdival} {}
+// constexpr year_month_weekday(const sys_days& dp) noexcept;
+// explicit constexpr year_month_weekday(const local_days& dp) noexcept;
+ constexpr year_month_weekday& operator+=(const months& m) noexcept;
+ constexpr year_month_weekday& operator-=(const months& m) noexcept;
+ constexpr year_month_weekday& operator+=(const years& y) noexcept;
+ constexpr year_month_weekday& operator-=(const years& y) noexcept;
+
+ inline constexpr chrono::year year() const noexcept { return __y; }
+ inline constexpr chrono::month month() const noexcept { return __m; }
+ inline constexpr chrono::weekday weekday() const noexcept { return __wdi.weekday(); }
+ inline constexpr unsigned index() const noexcept { return __wdi.index(); }
+ inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; }
+
+// constexpr operator sys_days() const noexcept;
+// explicit constexpr operator local_days() const noexcept;
+ inline constexpr bool ok() const noexcept
+ {
+ if (!__y.ok() || !__m.ok() || !__wdi.ok()) return false;
+ // TODO: make sure it's a valid date
+ return true;
+ }
+};
+
+inline constexpr
+bool operator==(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept
+{ return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); }
+
+inline constexpr
+bool operator!=(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+inline constexpr
+year_month_weekday operator/(const year_month& __lhs, const weekday_indexed& __rhs) noexcept
+{ return year_month_weekday{__lhs.year(), __lhs.month(), __rhs}; }
+
+inline constexpr
+year_month_weekday operator/(const year& __lhs, const month_weekday& __rhs) noexcept
+{ return year_month_weekday{__lhs, __rhs.month(), __rhs.weekday_indexed()}; }
+
+inline constexpr
+year_month_weekday operator/(int __lhs, const month_weekday& __rhs) noexcept
+{ return year(__lhs) / __rhs; }
+
+inline constexpr
+year_month_weekday operator/(const month_weekday& __lhs, const year& __rhs) noexcept
+{ return __rhs / __lhs; }
+
+inline constexpr
+year_month_weekday operator/(const month_weekday& __lhs, int __rhs) noexcept
+{ return year(__rhs) / __lhs; }
+
+
+inline constexpr
+year_month_weekday operator+(const year_month_weekday& __lhs, const months& __rhs) noexcept
+{ return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_indexed(); }
+
+inline constexpr
+year_month_weekday operator+(const months& __lhs, const year_month_weekday& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year_month_weekday operator-(const year_month_weekday& __lhs, const months& __rhs) noexcept
+{ return __lhs + (-__rhs); }
+
+inline constexpr
+year_month_weekday operator+(const year_month_weekday& __lhs, const years& __rhs) noexcept
+{ return year_month_weekday{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_indexed()}; }
+
+inline constexpr
+year_month_weekday operator+(const years& __lhs, const year_month_weekday& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year_month_weekday operator-(const year_month_weekday& __lhs, const years& __rhs) noexcept
+{ return __lhs + (-__rhs); }
+
+
+inline constexpr year_month_weekday& year_month_weekday::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
+inline constexpr year_month_weekday& year_month_weekday::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
+inline constexpr year_month_weekday& year_month_weekday::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
+inline constexpr year_month_weekday& year_month_weekday::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
+
+class _LIBCPP_TYPE_VIS year_month_weekday_last {
+private:
+ chrono::year __y;
+ chrono::month __m;
+ chrono::weekday_last __wdl;
+public:
+ constexpr year_month_weekday_last(const chrono::year& __yval, const chrono::month& __mval,
+ const chrono::weekday_last& __wdlval) noexcept
+ : __y{__yval}, __m{__mval}, __wdl{__wdlval} {}
+ constexpr year_month_weekday_last& operator+=(const months& __dm) noexcept;
+ constexpr year_month_weekday_last& operator-=(const months& __dm) noexcept;
+ constexpr year_month_weekday_last& operator+=(const years& __dy) noexcept;
+ constexpr year_month_weekday_last& operator-=(const years& __dy) noexcept;
+
+ inline constexpr chrono::year year() const noexcept { return __y; }
+ inline constexpr chrono::month month() const noexcept { return __m; }
+ inline constexpr chrono::weekday weekday() const noexcept { return __wdl.weekday(); }
+ inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; }
+// constexpr operator sys_days() const noexcept;
+// explicit constexpr operator local_days() const noexcept;
+ inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok() && __wdl.ok(); }
+};
+
+inline constexpr
+bool operator==(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept
+{ return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); }
+
+inline constexpr
+bool operator!=(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept
+{ return !(__lhs == __rhs); }
+
+
+inline constexpr
+year_month_weekday_last operator/(const year_month& __lhs, const weekday_last& __rhs) noexcept
+{ return year_month_weekday_last{__lhs.year(), __lhs.month(), __rhs}; }
+
+inline constexpr
+year_month_weekday_last operator/(const year& __lhs, const month_weekday_last& __rhs) noexcept
+{ return year_month_weekday_last{__lhs, __rhs.month(), __rhs.weekday_last()}; }
+
+inline constexpr
+year_month_weekday_last operator/(int __lhs, const month_weekday_last& __rhs) noexcept
+{ return year(__lhs) / __rhs; }
+
+inline constexpr
+year_month_weekday_last operator/(const month_weekday_last& __lhs, const year& __rhs) noexcept
+{ return __rhs / __lhs; }
+
+inline constexpr
+year_month_weekday_last operator/(const month_weekday_last& __lhs, int __rhs) noexcept
+{ return year(__rhs) / __lhs; }
+
+
+inline constexpr
+year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const months& __rhs) noexcept
+{ return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_last(); }
+
+inline constexpr
+year_month_weekday_last operator+(const months& __lhs, const year_month_weekday_last& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const months& __rhs) noexcept
+{ return __lhs + (-__rhs); }
+
+inline constexpr
+year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const years& __rhs) noexcept
+{ return year_month_weekday_last{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_last()}; }
+
+inline constexpr
+year_month_weekday_last operator+(const years& __lhs, const year_month_weekday_last& __rhs) noexcept
+{ return __rhs + __lhs; }
+
+inline constexpr
+year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const years& __rhs) noexcept
+{ return __lhs + (-__rhs); }
+
+inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
+inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
+inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
+inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
+
+#endif // _LIBCPP_STD_VER > 17
} // chrono
#if _LIBCPP_STD_VER > 11
@@ -1648,6 +2668,17 @@ inline namespace literals
return chrono::duration<long double, nano> (__ns);
}
+#if _LIBCPP_STD_VER > 17
+ constexpr chrono::day operator ""d(unsigned long long __d) noexcept
+ {
+ return chrono::day(static_cast<unsigned>(__d));
+ }
+
+ constexpr chrono::year operator ""y(unsigned long long __y) noexcept
+ {
+ return chrono::year(static_cast<int>(__y));
+ }
+#endif
}}
namespace chrono { // hoist the literals into namespace std::chrono
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