summaryrefslogtreecommitdiff
path: root/clang-r344140b/include/c++/v1/chrono
diff options
context:
space:
mode:
Diffstat (limited to 'clang-r344140b/include/c++/v1/chrono')
-rw-r--r--clang-r344140b/include/c++/v1/chrono1663
1 files changed, 1663 insertions, 0 deletions
diff --git a/clang-r344140b/include/c++/v1/chrono b/clang-r344140b/include/c++/v1/chrono
new file mode 100644
index 00000000..06911010
--- /dev/null
+++ b/clang-r344140b/include/c++/v1/chrono
@@ -0,0 +1,1663 @@
+// -*- C++ -*-
+//===---------------------------- chrono ----------------------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_CHRONO
+#define _LIBCPP_CHRONO
+
+/*
+ chrono synopsis
+
+namespace std
+{
+namespace chrono
+{
+
+template <class ToDuration, class Rep, class Period>
+constexpr
+ToDuration
+duration_cast(const duration<Rep, Period>& fd);
+
+template <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {};
+
+template <class Rep> inline constexpr bool treat_as_floating_point_v
+ = treat_as_floating_point<Rep>::value; // C++17
+
+template <class Rep>
+struct duration_values
+{
+public:
+ static constexpr Rep zero();
+ static constexpr Rep max();
+ static constexpr Rep min();
+};
+
+// duration
+
+template <class Rep, class Period = ratio<1>>
+class duration
+{
+ static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration");
+ static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio");
+ static_assert(Period::num > 0, "duration period must be positive");
+public:
+ typedef Rep rep;
+ typedef typename _Period::type period;
+
+ constexpr duration() = default;
+ template <class Rep2>
+ constexpr explicit duration(const Rep2& r,
+ typename enable_if
+ <
+ is_convertible<Rep2, rep>::value &&
+ (treat_as_floating_point<rep>::value ||
+ !treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value)
+ >::type* = 0);
+
+ // conversions
+ template <class Rep2, class Period2>
+ constexpr duration(const duration<Rep2, Period2>& d,
+ typename enable_if
+ <
+ treat_as_floating_point<rep>::value ||
+ ratio_divide<Period2, period>::type::den == 1
+ >::type* = 0);
+
+ // observer
+
+ constexpr rep count() const;
+
+ // arithmetic
+
+ constexpr common_type<duration>::type operator+() const;
+ constexpr common_type<duration>::type operator-() const;
+ constexpr duration& operator++(); // constexpr in C++17
+ constexpr duration operator++(int); // constexpr in C++17
+ constexpr duration& operator--(); // constexpr in C++17
+ constexpr duration operator--(int); // constexpr in C++17
+
+ constexpr duration& operator+=(const duration& d); // constexpr in C++17
+ constexpr duration& operator-=(const duration& d); // constexpr in C++17
+
+ duration& operator*=(const rep& rhs); // constexpr in C++17
+ duration& operator/=(const rep& rhs); // constexpr in C++17
+ duration& operator%=(const rep& rhs); // constexpr in C++17
+ duration& operator%=(const duration& rhs); // constexpr in C++17
+
+ // special values
+
+ static constexpr duration zero();
+ static constexpr duration min();
+ static constexpr duration max();
+};
+
+typedef duration<long long, nano> nanoseconds;
+typedef duration<long long, micro> microseconds;
+typedef duration<long long, milli> milliseconds;
+typedef duration<long long > seconds;
+typedef duration< long, ratio< 60> > minutes;
+typedef duration< long, ratio<3600> > hours;
+
+template <class Clock, class Duration = typename Clock::duration>
+class time_point
+{
+public:
+ typedef Clock clock;
+ typedef Duration duration;
+ typedef typename duration::rep rep;
+ typedef typename duration::period period;
+private:
+ duration d_; // exposition only
+
+public:
+ time_point(); // has value "epoch" // constexpr in C++14
+ explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14
+
+ // conversions
+ template <class Duration2>
+ time_point(const time_point<clock, Duration2>& t); // constexpr in C++14
+
+ // observer
+
+ duration time_since_epoch() const; // constexpr in C++14
+
+ // arithmetic
+
+ time_point& operator+=(const duration& d); // constexpr in C++17
+ time_point& operator-=(const duration& d); // constexpr in C++17
+
+ // special values
+
+ static constexpr time_point min();
+ static constexpr time_point max();
+};
+
+} // chrono
+
+// common_type traits
+template <class Rep1, class Period1, class Rep2, class Period2>
+ struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>;
+
+template <class Clock, class Duration1, class Duration2>
+ struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>;
+
+namespace chrono {
+
+
+template<class T> struct is_clock; // C++20
+template<class T> inline constexpr bool is_clock_v = is_clock<T>::value; // C++20
+
+
+// duration arithmetic
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
+ operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
+ operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Rep1, class Period, class Rep2>
+ constexpr
+ duration<typename common_type<Rep1, Rep2>::type, Period>
+ operator*(const duration<Rep1, Period>& d, const Rep2& s);
+template <class Rep1, class Period, class Rep2>
+ constexpr
+ duration<typename common_type<Rep1, Rep2>::type, Period>
+ operator*(const Rep1& s, const duration<Rep2, Period>& d);
+template <class Rep1, class Period, class Rep2>
+ constexpr
+ duration<typename common_type<Rep1, Rep2>::type, Period>
+ operator/(const duration<Rep1, Period>& d, const Rep2& s);
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ typename common_type<Rep1, Rep2>::type
+ operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+
+// duration comparisons
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Rep1, class Period1, class Rep2, class Period2>
+ constexpr
+ bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
+
+// duration_cast
+template <class ToDuration, class Rep, class Period>
+ ToDuration duration_cast(const duration<Rep, Period>& d);
+
+template <class ToDuration, class Rep, class Period>
+ constexpr ToDuration floor(const duration<Rep, Period>& d); // C++17
+template <class ToDuration, class Rep, class Period>
+ constexpr ToDuration ceil(const duration<Rep, Period>& d); // C++17
+template <class ToDuration, class Rep, class Period>
+ constexpr ToDuration round(const duration<Rep, Period>& d); // C++17
+
+// duration I/O is elsewhere
+
+// time_point arithmetic (all constexpr in C++14)
+template <class Clock, class Duration1, class Rep2, class Period2>
+ time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
+ operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Rep1, class Period1, class Clock, class Duration2>
+ time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type>
+ operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs);
+template <class Clock, class Duration1, class Rep2, class Period2>
+ time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
+ operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
+template <class Clock, class Duration1, class Duration2>
+ typename common_type<Duration1, Duration2>::type
+ operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
+
+// time_point comparisons (all constexpr in C++14)
+template <class Clock, class Duration1, class Duration2>
+ bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
+template <class Clock, class Duration1, class Duration2>
+ bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
+template <class Clock, class Duration1, class Duration2>
+ bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
+template <class Clock, class Duration1, class Duration2>
+ bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
+template <class Clock, class Duration1, class Duration2>
+ bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
+template <class Clock, class Duration1, class Duration2>
+ bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
+
+// time_point_cast (constexpr in C++14)
+
+template <class ToDuration, class Clock, class Duration>
+ time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t);
+
+template <class ToDuration, class Clock, class Duration>
+ constexpr time_point<Clock, ToDuration>
+ floor(const time_point<Clock, Duration>& tp); // C++17
+
+template <class ToDuration, class Clock, class Duration>
+ constexpr time_point<Clock, ToDuration>
+ ceil(const time_point<Clock, Duration>& tp); // C++17
+
+template <class ToDuration, class Clock, class Duration>
+ constexpr time_point<Clock, ToDuration>
+ round(const time_point<Clock, Duration>& tp); // C++17
+
+template <class Rep, class Period>
+ constexpr duration<Rep, Period> abs(duration<Rep, Period> d); // C++17
+
+// Clocks
+
+class system_clock
+{
+public:
+ typedef microseconds duration;
+ typedef duration::rep rep;
+ typedef duration::period period;
+ typedef chrono::time_point<system_clock> time_point;
+ static const bool is_steady = false; // constexpr in C++14
+
+ static time_point now() noexcept;
+ static time_t to_time_t (const time_point& __t) noexcept;
+ static time_point from_time_t(time_t __t) noexcept;
+};
+
+template <class Duration>
+ using sys_time = time_point<system_clock, Duration>; // C++20
+using sys_seconds = sys_time<seconds>; // C++20
+using sys_days = sys_time<days>; // C++20
+
+class utc_clock; // C++20
+
+template <class Duration>
+ using utc_time = time_point<utc_clock, Duration>; // C++20
+using utc_seconds = utc_time<seconds>; // C++20
+
+class tai_clock; // C++20
+
+template <class Duration>
+ using tai_time = time_point<tai_clock, Duration>; // C++20
+using tai_seconds = tai_time<seconds>; // C++20
+
+class file_clock; // C++20
+
+template<class Duration>
+ using file_time = time_point<file_clock, Duration>; // C++20
+
+class steady_clock
+{
+public:
+ typedef nanoseconds duration;
+ typedef duration::rep rep;
+ typedef duration::period period;
+ typedef chrono::time_point<steady_clock, duration> time_point;
+ static const bool is_steady = true; // constexpr in C++14
+
+ static time_point now() noexcept;
+};
+
+typedef steady_clock high_resolution_clock;
+
+// 25.7.8, local time // C++20
+struct local_t {};
+template<class Duration>
+ using local_time = time_point<local_t, Duration>;
+using local_seconds = local_time<seconds>;
+using local_days = local_time<days>;
+
+// 25.7.9, time_point conversions template<class DestClock, class SourceClock> // C++20
+struct clock_time_conversion;
+
+template<class DestClock, class SourceClock, class Duration>
+ auto clock_cast(const time_point<SourceClock, Duration>& t);
+
+// 25.8.2, class last_spec // C++20
+struct last_spec;
+
+// 25.8.3, class day // C++20
+
+class day;
+constexpr bool operator==(const day& x, const day& y) noexcept;
+constexpr bool operator!=(const day& x, const day& y) noexcept;
+constexpr bool operator< (const day& x, const day& y) noexcept;
+constexpr bool operator> (const day& x, const day& y) noexcept;
+constexpr bool operator<=(const day& x, const day& y) noexcept;
+constexpr bool operator>=(const day& x, const day& y) noexcept;
+constexpr day operator+(const day& x, const days& y) noexcept;
+constexpr day operator+(const days& x, const day& y) noexcept;
+constexpr day operator-(const day& x, const days& y) noexcept;
+constexpr days operator-(const day& x, const day& y) noexcept;
+
+// 25.8.4, class month // C++20
+class month;
+constexpr bool operator==(const month& x, const month& y) noexcept;
+constexpr bool operator!=(const month& x, const month& y) noexcept;
+constexpr bool operator< (const month& x, const month& y) noexcept;
+constexpr bool operator> (const month& x, const month& y) noexcept;
+constexpr bool operator<=(const month& x, const month& y) noexcept;
+constexpr bool operator>=(const month& x, const month& y) noexcept;
+constexpr month operator+(const month& x, const months& y) noexcept;
+constexpr month operator+(const months& x, const month& y) noexcept;
+constexpr month operator-(const month& x, const months& y) noexcept;
+constexpr months operator-(const month& x, const month& y) noexcept;
+
+// 25.8.5, class year // C++20
+class year;
+constexpr bool operator==(const year& x, const year& y) noexcept;
+constexpr bool operator!=(const year& x, const year& y) noexcept;
+constexpr bool operator< (const year& x, const year& y) noexcept;
+constexpr bool operator> (const year& x, const year& y) noexcept;
+constexpr bool operator<=(const year& x, const year& y) noexcept;
+constexpr bool operator>=(const year& x, const year& y) noexcept;
+constexpr year operator+(const year& x, const years& y) noexcept;
+constexpr year operator+(const years& x, const year& y) noexcept;
+constexpr year operator-(const year& x, const years& y) noexcept;
+constexpr years operator-(const year& x, const year& y) noexcept;
+
+// 25.8.6, class weekday // C++20
+class weekday;
+
+constexpr bool operator==(const weekday& x, const weekday& y) noexcept;
+constexpr bool operator!=(const weekday& x, const weekday& y) noexcept;
+constexpr weekday operator+(const weekday& x, const days& y) noexcept;
+constexpr weekday operator+(const days& x, const weekday& y) noexcept;
+constexpr weekday operator-(const weekday& x, const days& y) noexcept;
+constexpr days operator-(const weekday& x, const weekday& y) noexcept;
+
+// 25.8.7, class weekday_indexed // C++20
+
+class weekday_indexed;
+constexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept;
+constexpr bool operator!=(const weekday_indexed& x, const weekday_indexed& y) noexcept;
+
+// 25.8.8, class weekday_last // C++20
+class weekday_last;
+
+constexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept;
+constexpr bool operator!=(const weekday_last& x, const weekday_last& y) noexcept;
+
+// 25.8.9, class month_day // C++20
+class month_day;
+
+constexpr bool operator==(const month_day& x, const month_day& y) noexcept;
+constexpr bool operator!=(const month_day& x, const month_day& y) noexcept;
+constexpr bool operator< (const month_day& x, const month_day& y) noexcept;
+constexpr bool operator> (const month_day& x, const month_day& y) noexcept;
+constexpr bool operator<=(const month_day& x, const month_day& y) noexcept;
+constexpr bool operator>=(const month_day& x, const month_day& y) noexcept;
+
+
+// 25.8.10, class month_day_last // C++20
+class month_day_last;
+
+constexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept;
+constexpr bool operator!=(const month_day_last& x, const month_day_last& y) noexcept;
+constexpr bool operator< (const month_day_last& x, const month_day_last& y) noexcept;
+constexpr bool operator> (const month_day_last& x, const month_day_last& y) noexcept;
+constexpr bool operator<=(const month_day_last& x, const month_day_last& y) noexcept;
+constexpr bool operator>=(const month_day_last& x, const month_day_last& y) noexcept;
+
+// 25.8.11, class month_weekday // C++20
+class month_weekday;
+
+constexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept;
+constexpr bool operator!=(const month_weekday& x, const month_weekday& y) noexcept;
+
+// 25.8.12, class month_weekday_last // C++20
+class month_weekday_last;
+
+constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept;
+constexpr bool operator!=(const month_weekday_last& x, const month_weekday_last& y) noexcept;
+
+
+// 25.8.13, class year_month // C++20
+class year_month;
+
+constexpr bool operator==(const year_month& x, const year_month& y) noexcept;
+constexpr bool operator!=(const year_month& x, const year_month& y) noexcept;
+constexpr bool operator< (const year_month& x, const year_month& y) noexcept;
+constexpr bool operator> (const year_month& x, const year_month& y) noexcept;
+constexpr bool operator<=(const year_month& x, const year_month& y) noexcept;
+constexpr bool operator>=(const year_month& x, const year_month& y) noexcept;
+
+constexpr year_month operator+(const year_month& ym, const months& dm) noexcept;
+constexpr year_month operator+(const months& dm, const year_month& ym) noexcept;
+constexpr year_month operator-(const year_month& ym, const months& dm) noexcept;
+constexpr months operator-(const year_month& x, const year_month& y) noexcept;
+constexpr year_month operator+(const year_month& ym, const years& dy) noexcept;
+constexpr year_month operator+(const years& dy, const year_month& ym) noexcept;
+constexpr year_month operator-(const year_month& ym, const years& dy) noexcept;
+
+// 25.8.14, class year_month_day class // C++20
+year_month_day;
+
+constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept;
+constexpr bool operator!=(const year_month_day& x, const year_month_day& y) noexcept;
+constexpr bool operator< (const year_month_day& x, const year_month_day& y) noexcept;
+constexpr bool operator> (const year_month_day& x, const year_month_day& y) noexcept;
+constexpr bool operator<=(const year_month_day& x, const year_month_day& y) noexcept;
+constexpr bool operator>=(const year_month_day& x, const year_month_day& y) noexcept;
+
+constexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept;
+constexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept;
+constexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept;
+constexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept;
+constexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept;
+constexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept;
+
+
+// 25.8.15, class year_month_day_last // C++20
+class year_month_day_last;
+
+constexpr bool operator==(const year_month_day_last& x,
+ const year_month_day_last& y) noexcept;
+constexpr bool operator!=(const year_month_day_last& x,
+ const year_month_day_last& y) noexcept;
+constexpr bool operator< (const year_month_day_last& x,
+ const year_month_day_last& y) noexcept;
+constexpr bool operator> (const year_month_day_last& x,
+ const year_month_day_last& y) noexcept;
+constexpr bool operator<=(const year_month_day_last& x,
+ const year_month_day_last& y) noexcept;
+constexpr bool operator>=(const year_month_day_last& x,
+ const year_month_day_last& y) noexcept;
+
+constexpr year_month_day_last
+ operator+(const year_month_day_last& ymdl, const months& dm) noexcept;
+constexpr year_month_day_last
+ operator+(const months& dm, const year_month_day_last& ymdl) noexcept;
+constexpr year_month_day_last
+ operator+(const year_month_day_last& ymdl, const years& dy) noexcept;
+constexpr year_month_day_last
+ operator+(const years& dy, const year_month_day_last& ymdl) noexcept;
+constexpr year_month_day_last
+ operator-(const year_month_day_last& ymdl, const months& dm) noexcept;
+constexpr year_month_day_last
+ operator-(const year_month_day_last& ymdl, const years& dy) noexcept;
+
+// 25.8.16, class year_month_weekday // C++20
+class year_month_weekday;
+
+constexpr bool operator==(const year_month_weekday& x,
+ const year_month_weekday& y) noexcept;
+constexpr bool operator!=(const year_month_weekday& x,
+ const year_month_weekday& y) noexcept;
+
+constexpr year_month_weekday
+ operator+(const year_month_weekday& ymwd, const months& dm) noexcept;
+constexpr year_month_weekday
+ operator+(const months& dm, const year_month_weekday& ymwd) noexcept;
+constexpr year_month_weekday
+ operator+(const year_month_weekday& ymwd, const years& dy) noexcept;
+constexpr year_month_weekday
+ operator+(const years& dy, const year_month_weekday& ymwd) noexcept;
+constexpr year_month_weekday
+ operator-(const year_month_weekday& ymwd, const months& dm) noexcept;
+constexpr year_month_weekday
+ operator-(const year_month_weekday& ymwd, const years& dy) noexcept;
+
+// 25.8.17, class year_month_weekday_last // C++20
+class year_month_weekday_last;
+
+constexpr bool operator==(const year_month_weekday_last& x,
+ const year_month_weekday_last& y) noexcept;
+constexpr bool operator!=(const year_month_weekday_last& x,
+ const year_month_weekday_last& y) noexcept;
+constexpr year_month_weekday_last
+ operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept;
+constexpr year_month_weekday_last
+ operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept;
+constexpr year_month_weekday_last
+ operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept;
+constexpr year_month_weekday_last
+ operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept;
+constexpr year_month_weekday_last
+ operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept;
+constexpr year_month_weekday_last
+ operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept;
+
+// 25.8.18, civil calendar conventional syntax operators // C++20
+constexpr year_month
+ operator/(const year& y, const month& m) noexcept;
+constexpr year_month
+ operator/(const year& y, int m) noexcept;
+constexpr month_day
+ operator/(const month& m, const day& d) noexcept;
+constexpr month_day
+ operator/(const month& m, int d) noexcept;
+constexpr month_day
+ operator/(int m, const day& d) noexcept;
+constexpr month_day
+ operator/(const day& d, const month& m) noexcept;
+constexpr month_day
+ operator/(const day& d, int m) noexcept;
+constexpr month_day_last
+ operator/(const month& m, last_spec) noexcept;
+constexpr month_day_last
+ operator/(int m, last_spec) noexcept;
+constexpr month_day_last
+ operator/(last_spec, const month& m) noexcept;
+constexpr month_day_last
+ operator/(last_spec, int m) noexcept;
+constexpr month_weekday
+ operator/(const month& m, const weekday_indexed& wdi) noexcept;
+constexpr month_weekday
+ operator/(int m, const weekday_indexed& wdi) noexcept;
+constexpr month_weekday
+ operator/(const weekday_indexed& wdi, const month& m) noexcept;
+constexpr month_weekday
+ operator/(const weekday_indexed& wdi, int m) noexcept;
+constexpr month_weekday_last
+ operator/(const month& m, const weekday_last& wdl) noexcept;
+constexpr month_weekday_last
+ operator/(int m, const weekday_last& wdl) noexcept;
+constexpr month_weekday_last
+ operator/(const weekday_last& wdl, const month& m) noexcept;
+constexpr month_weekday_last
+ operator/(const weekday_last& wdl, int m) noexcept;
+constexpr year_month_day
+ operator/(const year_month& ym, const day& d) noexcept;
+constexpr year_month_day
+ operator/(const year_month& ym, int d) noexcept;
+constexpr year_month_day
+ operator/(const year& y, const month_day& md) noexcept;
+constexpr year_month_day
+ operator/(int y, const month_day& md) noexcept;
+constexpr year_month_day
+ operator/(const month_day& md, const year& y) noexcept;
+constexpr year_month_day
+ operator/(const month_day& md, int y) noexcept;
+constexpr year_month_day_last
+ operator/(const year_month& ym, last_spec) noexcept;
+constexpr year_month_day_last
+ operator/(const year& y, const month_day_last& mdl) noexcept;
+constexpr year_month_day_last
+ operator/(int y, const month_day_last& mdl) noexcept;
+constexpr year_month_day_last
+ operator/(const month_day_last& mdl, const year& y) noexcept;
+constexpr year_month_day_last
+ operator/(const month_day_last& mdl, int y) noexcept;
+constexpr year_month_weekday
+ operator/(const year_month& ym, const weekday_indexed& wdi) noexcept;
+constexpr year_month_weekday
+ operator/(const year& y, const month_weekday& mwd) noexcept;
+constexpr year_month_weekday
+ operator/(int y, const month_weekday& mwd) noexcept;
+constexpr year_month_weekday
+ operator/(const month_weekday& mwd, const year& y) noexcept;
+constexpr year_month_weekday
+ operator/(const month_weekday& mwd, int y) noexcept;
+constexpr year_month_weekday_last
+ operator/(const year_month& ym, const weekday_last& wdl) noexcept;
+constexpr year_month_weekday_last
+ operator/(const year& y, const month_weekday_last& mwdl) noexcept;
+constexpr year_month_weekday_last
+ operator/(int y, const month_weekday_last& mwdl) noexcept;
+constexpr year_month_weekday_last
+ operator/(const month_weekday_last& mwdl, const year& y) noexcept;
+constexpr year_month_weekday_last
+ operator/(const month_weekday_last& mwdl, int y) noexcept;
+
+// 25.9, class template time_of_day // C++20
+template<class Duration> class time_of_day;
+
+template<> class time_of_day<hours>;
+template<> class time_of_day<minutes>;
+template<> class time_of_day<seconds>;
+template<class Rep, class Period> class time_of_day<duration<Rep, Period>>;
+
+// 25.10.2, time zone database // C++20
+struct tzdb;
+class tzdb_list;
+
+// 25.10.2.3, time zone database access // C++20
+const tzdb& get_tzdb();
+tzdb_list& get_tzdb_list();
+const time_zone* locate_zone(string_view tz_name);
+const time_zone* current_zone();
+
+// 25.10.2.4, remote time zone database support // C++20
+const tzdb& reload_tzdb();
+string remote_version();
+
+// 25.10.3, exception classes // C++20
+class nonexistent_local_time;
+class ambiguous_local_time;
+
+// 25.10.4, information classes // C++20
+struct sys_info;
+struct local_info;
+
+// 25.10.5, class time_zone // C++20
+enum class choose {earliest, latest};
+class time_zone;
+bool operator==(const time_zone& x, const time_zone& y) noexcept;
+bool operator!=(const time_zone& x, const time_zone& y) noexcept;
+bool operator<(const time_zone& x, const time_zone& y) noexcept;
+bool operator>(const time_zone& x, const time_zone& y) noexcept;
+bool operator<=(const time_zone& x, const time_zone& y) noexcept;
+bool operator>=(const time_zone& x, const time_zone& y) noexcept;
+
+// 25.10.6, class template zoned_traits // C++20
+template<class T> struct zoned_traits;
+
+// 25.10.7, class template zoned_time // C++20
+template<class Duration, class TimeZonePtr = const time_zone*> class zoned_time;
+using zoned_seconds = zoned_time<seconds>;
+
+template<class Duration1, class Duration2, class TimeZonePtr>
+ bool operator==(const zoned_time<Duration1, TimeZonePtr>& x,
+ const zoned_time<Duration2, TimeZonePtr>& y);
+template<class Duration1, class Duration2, class TimeZonePtr>
+ bool operator!=(const zoned_time<Duration1, TimeZonePtr>& x,
+ const zoned_time<Duration2, TimeZonePtr>& y);
+
+// 25.10.8, leap second support // C++20
+class leap;
+
+bool operator==(const leap& x, const leap& y);
+bool operator!=(const leap& x, const leap& y);
+bool operator< (const leap& x, const leap& y);
+bool operator> (const leap& x, const leap& y);
+bool operator<=(const leap& x, const leap& y);
+bool operator>=(const leap& x, const leap& y);
+template<class Duration>
+ bool operator==(const leap& x, const sys_time<Duration>& y);
+template<class Duration>
+ bool operator==(const sys_time<Duration>& x, const leap& y);
+template<class Duration>
+ bool operator!=(const leap& x, const sys_time<Duration>& y);
+template<class Duration>
+ bool operator!=(const sys_time<Duration>& x, const leap& y);
+template<class Duration>
+ bool operator< (const leap& x, const sys_time<Duration>& y);
+template<class Duration>
+ bool operator< (const sys_time<Duration>& x, const leap& y);
+template<class Duration>
+ bool operator> (const leap& x, const sys_time<Duration>& y);
+template<class Duration>
+ bool operator> (const sys_time<Duration>& x, const leap& y);
+template<class Duration>
+ bool operator<=(const leap& x, const sys_time<Duration>& y);
+template<class Duration>
+ bool operator<=(const sys_time<Duration>& x, const leap& y);
+template<class Duration>
+ bool operator>=(const leap& x, const sys_time<Duration>& y);
+template<class Duration>
+ bool operator>=(const sys_time<Duration>& x, const leap& y);
+
+// 25.10.9, class link // C++20
+class link;
+bool operator==(const link& x, const link& y);
+bool operator!=(const link& x, const link& y);
+bool operator< (const link& x, const link& y);
+bool operator> (const link& x, const link& y);
+bool operator<=(const link& x, const link& y);
+bool operator>=(const link& x, const link& y);
+
+// 25.11, formatting // C++20
+template<class charT, class Streamable>
+ basic_string<charT>
+ format(const charT* fmt, const Streamable& s);
+
+template<class charT, class Streamable>
+ basic_string<charT>
+ format(const locale& loc, const charT* fmt, const Streamable& s);
+
+template<class charT, class traits, class Alloc, class Streamable>
+ basic_string<charT, traits, Alloc>
+ format(const basic_string<charT, traits, Alloc>& fmt, const Streamable& s);
+
+template<class charT, class traits, class Alloc, class Streamable>
+ basic_string<charT, traits, Alloc>
+ format(const locale& loc, const basic_string<charT, traits, Alloc>& fmt,
+ const Streamable& s);
+
+// 25.12, parsing // C++20
+template<class charT, class traits, class Alloc, class Parsable>
+unspecified
+ parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp);
+
+template<class charT, class traits, class Alloc, class Parsable>
+unspecified
+ parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
+ basic_string<charT, traits, Alloc>& abbrev);
+
+template<class charT, class traits, class Alloc, class Parsable>
+unspecified
+ parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
+ minutes& offset);
+
+template<class charT, class traits, class Alloc, class Parsable>
+unspecified
+ parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
+ basic_string<charT, traits, Alloc>& abbrev, minutes& offset);
+
+inline constexpr last_spec last{}; // C++20
+inline constexpr chrono::weekday Sunday{0}; // C++20
+inline constexpr chrono::weekday Monday{1}; // C++20
+inline constexpr chrono::weekday Tuesday{2}; // C++20
+inline constexpr chrono::weekday Wednesday{3}; // C++20
+inline constexpr chrono::weekday Thursday{4}; // C++20
+inline constexpr chrono::weekday Friday{5}; // C++20
+inline constexpr chrono::weekday Saturday{6}; // C++20
+
+inline constexpr chrono::month January{1}; // C++20
+inline constexpr chrono::month February{2}; // C++20
+inline constexpr chrono::month March{3}; // C++20
+inline constexpr chrono::month April{4}; // C++20
+inline constexpr chrono::month May{5}; // C++20
+inline constexpr chrono::month June{6}; // C++20
+inline constexpr chrono::month July{7}; // C++20
+inline constexpr chrono::month August{8}; // C++20
+inline constexpr chrono::month September{9}; // C++20
+inline constexpr chrono::month October{10}; // C++20
+inline constexpr chrono::month November{11}; // C++20
+inline constexpr chrono::month December{12}; // C++20
+} // chrono
+
+inline namespace literals {
+ inline namespace chrono_literals {
+constexpr chrono::hours operator ""h(unsigned long long); // C++14
+constexpr chrono::duration<unspecified , ratio<3600,1>> operator ""h(long double); // C++14
+constexpr chrono::minutes operator ""min(unsigned long long); // C++14
+constexpr chrono::duration<unspecified , ratio<60,1>> operator ""min(long double); // C++14
+constexpr chrono::seconds operator ""s(unsigned long long); // C++14
+constexpr chrono::duration<unspecified > operator ""s(long double); // C++14
+constexpr chrono::milliseconds operator ""ms(unsigned long long); // C++14
+constexpr chrono::duration<unspecified , milli> operator ""ms(long double); // C++14
+constexpr chrono::microseconds operator ""us(unsigned long long); // C++14
+constexpr chrono::duration<unspecified , micro> operator ""us(long double); // C++14
+constexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14
+constexpr chrono::duration<unspecified , nano> operator ""ns(long double); // C++14
+constexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20
+constexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20
+} // chrono_literals
+} // literals
+
+} // std
+*/
+
+#include <__config>
+#include <ctime>
+#include <type_traits>
+#include <ratio>
+#include <limits>
+#include <version>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_PUSH_MACROS
+#include <__undef_macros>
+
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace chrono
+{
+
+template <class _Rep, class _Period = ratio<1> > class _LIBCPP_TEMPLATE_VIS duration;
+
+template <class _Tp>
+struct __is_duration : false_type {};
+
+template <class _Rep, class _Period>
+struct __is_duration<duration<_Rep, _Period> > : true_type {};
+
+template <class _Rep, class _Period>
+struct __is_duration<const duration<_Rep, _Period> > : true_type {};
+
+template <class _Rep, class _Period>
+struct __is_duration<volatile duration<_Rep, _Period> > : true_type {};
+
+template <class _Rep, class _Period>
+struct __is_duration<const volatile duration<_Rep, _Period> > : true_type {};
+
+} // chrono
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+struct _LIBCPP_TEMPLATE_VIS common_type<chrono::duration<_Rep1, _Period1>,
+ chrono::duration<_Rep2, _Period2> >
+{
+ typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type,
+ typename __ratio_gcd<_Period1, _Period2>::type> type;
+};
+
+namespace chrono {
+
+// duration_cast
+
+template <class _FromDuration, class _ToDuration,
+ class _Period = typename ratio_divide<typename _FromDuration::period, typename _ToDuration::period>::type,
+ bool = _Period::num == 1,
+ bool = _Period::den == 1>
+struct __duration_cast;
+
+template <class _FromDuration, class _ToDuration, class _Period>
+struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true>
+{
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ _ToDuration operator()(const _FromDuration& __fd) const
+ {
+ return _ToDuration(static_cast<typename _ToDuration::rep>(__fd.count()));
+ }
+};
+
+template <class _FromDuration, class _ToDuration, class _Period>
+struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false>
+{
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ _ToDuration operator()(const _FromDuration& __fd) const
+ {
+ typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
+ return _ToDuration(static_cast<typename _ToDuration::rep>(
+ static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den)));
+ }
+};
+
+template <class _FromDuration, class _ToDuration, class _Period>
+struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true>
+{
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ _ToDuration operator()(const _FromDuration& __fd) const
+ {
+ typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
+ return _ToDuration(static_cast<typename _ToDuration::rep>(
+ static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num)));
+ }
+};
+
+template <class _FromDuration, class _ToDuration, class _Period>
+struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false>
+{
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ _ToDuration operator()(const _FromDuration& __fd) const
+ {
+ typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
+ return _ToDuration(static_cast<typename _ToDuration::rep>(
+ static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num)
+ / static_cast<_Ct>(_Period::den)));
+ }
+};
+
+template <class _ToDuration, class _Rep, class _Period>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename enable_if
+<
+ __is_duration<_ToDuration>::value,
+ _ToDuration
+>::type
+duration_cast(const duration<_Rep, _Period>& __fd)
+{
+ return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd);
+}
+
+template <class _Rep>
+struct _LIBCPP_TEMPLATE_VIS treat_as_floating_point : is_floating_point<_Rep> {};
+
+#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)
+template <class _Rep>
+_LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool treat_as_floating_point_v
+ = treat_as_floating_point<_Rep>::value;
+#endif
+
+template <class _Rep>
+struct _LIBCPP_TEMPLATE_VIS duration_values
+{
+public:
+ _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() {return _Rep(0);}
+ _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() {return numeric_limits<_Rep>::max();}
+ _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() {return numeric_limits<_Rep>::lowest();}
+};
+
+#if _LIBCPP_STD_VER > 14
+template <class _ToDuration, class _Rep, class _Period>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+typename enable_if
+<
+ __is_duration<_ToDuration>::value,
+ _ToDuration
+>::type
+floor(const duration<_Rep, _Period>& __d)
+{
+ _ToDuration __t = duration_cast<_ToDuration>(__d);
+ if (__t > __d)
+ __t = __t - _ToDuration{1};
+ return __t;
+}
+
+template <class _ToDuration, class _Rep, class _Period>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+typename enable_if
+<
+ __is_duration<_ToDuration>::value,
+ _ToDuration
+>::type
+ceil(const duration<_Rep, _Period>& __d)
+{
+ _ToDuration __t = duration_cast<_ToDuration>(__d);
+ if (__t < __d)
+ __t = __t + _ToDuration{1};
+ return __t;
+}
+
+template <class _ToDuration, class _Rep, class _Period>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+typename enable_if
+<
+ __is_duration<_ToDuration>::value,
+ _ToDuration
+>::type
+round(const duration<_Rep, _Period>& __d)
+{
+ _ToDuration __lower = floor<_ToDuration>(__d);
+ _ToDuration __upper = __lower + _ToDuration{1};
+ auto __lowerDiff = __d - __lower;
+ auto __upperDiff = __upper - __d;
+ if (__lowerDiff < __upperDiff)
+ return __lower;
+ if (__lowerDiff > __upperDiff)
+ return __upper;
+ return __lower.count() & 1 ? __upper : __lower;
+}
+#endif
+
+// duration
+
+template <class _Rep, class _Period>
+class _LIBCPP_TEMPLATE_VIS duration
+{
+ static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration");
+ static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio");
+ static_assert(_Period::num > 0, "duration period must be positive");
+
+ template <class _R1, class _R2>
+ struct __no_overflow
+ {
+ private:
+ static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
+ static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
+ static const intmax_t __n1 = _R1::num / __gcd_n1_n2;
+ static const intmax_t __d1 = _R1::den / __gcd_d1_d2;
+ static const intmax_t __n2 = _R2::num / __gcd_n1_n2;
+ static const intmax_t __d2 = _R2::den / __gcd_d1_d2;
+ static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1);
+
+ template <intmax_t _Xp, intmax_t _Yp, bool __overflow>
+ struct __mul // __overflow == false
+ {
+ static const intmax_t value = _Xp * _Yp;
+ };
+
+ template <intmax_t _Xp, intmax_t _Yp>
+ struct __mul<_Xp, _Yp, true>
+ {
+ static const intmax_t value = 1;
+ };
+
+ public:
+ static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1);
+ typedef ratio<__mul<__n1, __d2, !value>::value,
+ __mul<__n2, __d1, !value>::value> type;
+ };
+
+public:
+ typedef _Rep rep;
+ typedef typename _Period::type period;
+private:
+ rep __rep_;
+public:
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+#ifndef _LIBCPP_CXX03_LANG
+ duration() = default;
+#else
+ duration() {}
+#endif
+
+ template <class _Rep2>
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ explicit duration(const _Rep2& __r,
+ typename enable_if
+ <
+ is_convertible<_Rep2, rep>::value &&
+ (treat_as_floating_point<rep>::value ||
+ !treat_as_floating_point<_Rep2>::value)
+ >::type* = 0)
+ : __rep_(__r) {}
+
+ // conversions
+ template <class _Rep2, class _Period2>
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ duration(const duration<_Rep2, _Period2>& __d,
+ typename enable_if
+ <
+ __no_overflow<_Period2, period>::value && (
+ treat_as_floating_point<rep>::value ||
+ (__no_overflow<_Period2, period>::type::den == 1 &&
+ !treat_as_floating_point<_Rep2>::value))
+ >::type* = 0)
+ : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {}
+
+ // observer
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR rep count() const {return __rep_;}
+
+ // arithmetic
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator+() const {return typename common_type<duration>::type(*this);}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator-() const {return typename common_type<duration>::type(-__rep_);}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator++() {++__rep_; return *this;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator++(int) {return duration(__rep_++);}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator--() {--__rep_; return *this;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator--(int) {return duration(__rep_--);}
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;}
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;}
+
+ // special values
+
+ _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration zero() {return duration(duration_values<rep>::zero());}
+ _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration min() {return duration(duration_values<rep>::min());}
+ _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration max() {return duration(duration_values<rep>::max());}
+};
+
+typedef duration<long long, nano> nanoseconds;
+typedef duration<long long, micro> microseconds;
+typedef duration<long long, milli> milliseconds;
+typedef duration<long long > seconds;
+typedef duration< long, ratio< 60> > minutes;
+typedef duration< long, ratio<3600> > hours;
+
+// Duration ==
+
+template <class _LhsDuration, class _RhsDuration>
+struct __duration_eq
+{
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const
+ {
+ typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct;
+ return _Ct(__lhs).count() == _Ct(__rhs).count();
+ }
+};
+
+template <class _LhsDuration>
+struct __duration_eq<_LhsDuration, _LhsDuration>
+{
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const
+ {return __lhs.count() == __rhs.count();}
+};
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+bool
+operator==(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ return __duration_eq<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs);
+}
+
+// Duration !=
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+bool
+operator!=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ return !(__lhs == __rhs);
+}
+
+// Duration <
+
+template <class _LhsDuration, class _RhsDuration>
+struct __duration_lt
+{
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const
+ {
+ typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct;
+ return _Ct(__lhs).count() < _Ct(__rhs).count();
+ }
+};
+
+template <class _LhsDuration>
+struct __duration_lt<_LhsDuration, _LhsDuration>
+{
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+ bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const
+ {return __lhs.count() < __rhs.count();}
+};
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+bool
+operator< (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ return __duration_lt<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs);
+}
+
+// Duration >
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+bool
+operator> (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ return __rhs < __lhs;
+}
+
+// Duration <=
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+bool
+operator<=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ return !(__rhs < __lhs);
+}
+
+// Duration >=
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+bool
+operator>=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ return !(__lhs < __rhs);
+}
+
+// Duration +
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
+operator+(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
+ return _Cd(_Cd(__lhs).count() + _Cd(__rhs).count());
+}
+
+// Duration -
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
+operator-(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
+ return _Cd(_Cd(__lhs).count() - _Cd(__rhs).count());
+}
+
+// Duration *
+
+template <class _Rep1, class _Period, class _Rep2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename enable_if
+<
+ is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
+ duration<typename common_type<_Rep1, _Rep2>::type, _Period>
+>::type
+operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
+{
+ typedef typename common_type<_Rep1, _Rep2>::type _Cr;
+ typedef duration<_Cr, _Period> _Cd;
+ return _Cd(_Cd(__d).count() * static_cast<_Cr>(__s));
+}
+
+template <class _Rep1, class _Period, class _Rep2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename enable_if
+<
+ is_convertible<_Rep1, typename common_type<_Rep1, _Rep2>::type>::value,
+ duration<typename common_type<_Rep1, _Rep2>::type, _Period>
+>::type
+operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d)
+{
+ return __d * __s;
+}
+
+// Duration /
+
+template <class _Duration, class _Rep, bool = __is_duration<_Rep>::value>
+struct __duration_divide_result
+{
+};
+
+template <class _Duration, class _Rep2,
+ bool = is_convertible<_Rep2,
+ typename common_type<typename _Duration::rep, _Rep2>::type>::value>
+struct __duration_divide_imp
+{
+};
+
+template <class _Rep1, class _Period, class _Rep2>
+struct __duration_divide_imp<duration<_Rep1, _Period>, _Rep2, true>
+{
+ typedef duration<typename common_type<_Rep1, _Rep2>::type, _Period> type;
+};
+
+template <class _Rep1, class _Period, class _Rep2>
+struct __duration_divide_result<duration<_Rep1, _Period>, _Rep2, false>
+ : __duration_divide_imp<duration<_Rep1, _Period>, _Rep2>
+{
+};
+
+template <class _Rep1, class _Period, class _Rep2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename __duration_divide_result<duration<_Rep1, _Period>, _Rep2>::type
+operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
+{
+ typedef typename common_type<_Rep1, _Rep2>::type _Cr;
+ typedef duration<_Cr, _Period> _Cd;
+ return _Cd(_Cd(__d).count() / static_cast<_Cr>(__s));
+}
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename common_type<_Rep1, _Rep2>::type
+operator/(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Ct;
+ return _Ct(__lhs).count() / _Ct(__rhs).count();
+}
+
+// Duration %
+
+template <class _Rep1, class _Period, class _Rep2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename __duration_divide_result<duration<_Rep1, _Period>, _Rep2>::type
+operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
+{
+ typedef typename common_type<_Rep1, _Rep2>::type _Cr;
+ typedef duration<_Cr, _Period> _Cd;
+ return _Cd(_Cd(__d).count() % static_cast<_Cr>(__s));
+}
+
+template <class _Rep1, class _Period1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR
+typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
+operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ typedef typename common_type<_Rep1, _Rep2>::type _Cr;
+ typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
+ return _Cd(static_cast<_Cr>(_Cd(__lhs).count()) % static_cast<_Cr>(_Cd(__rhs).count()));
+}
+
+//////////////////////////////////////////////////////////
+///////////////////// time_point /////////////////////////
+//////////////////////////////////////////////////////////
+
+template <class _Clock, class _Duration = typename _Clock::duration>
+class _LIBCPP_TEMPLATE_VIS time_point
+{
+ static_assert(__is_duration<_Duration>::value,
+ "Second template parameter of time_point must be a std::chrono::duration");
+public:
+ typedef _Clock clock;
+ typedef _Duration duration;
+ typedef typename duration::rep rep;
+ typedef typename duration::period period;
+private:
+ duration __d_;
+
+public:
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point() : __d_(duration::zero()) {}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 explicit time_point(const duration& __d) : __d_(__d) {}
+
+ // conversions
+ template <class _Duration2>
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+ time_point(const time_point<clock, _Duration2>& t,
+ typename enable_if
+ <
+ is_convertible<_Duration2, duration>::value
+ >::type* = 0)
+ : __d_(t.time_since_epoch()) {}
+
+ // observer
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 duration time_since_epoch() const {return __d_;}
+
+ // arithmetic
+
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator+=(const duration& __d) {__d_ += __d; return *this;}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator-=(const duration& __d) {__d_ -= __d; return *this;}
+
+ // special values
+
+ _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point min() {return time_point(duration::min());}
+ _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() {return time_point(duration::max());}
+};
+
+} // chrono
+
+template <class _Clock, class _Duration1, class _Duration2>
+struct _LIBCPP_TEMPLATE_VIS common_type<chrono::time_point<_Clock, _Duration1>,
+ chrono::time_point<_Clock, _Duration2> >
+{
+ typedef chrono::time_point<_Clock, typename common_type<_Duration1, _Duration2>::type> type;
+};
+
+namespace chrono {
+
+template <class _ToDuration, class _Clock, class _Duration>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+time_point<_Clock, _ToDuration>
+time_point_cast(const time_point<_Clock, _Duration>& __t)
+{
+ return time_point<_Clock, _ToDuration>(_VSTD::chrono::duration_cast<_ToDuration>(__t.time_since_epoch()));
+}
+
+#if _LIBCPP_STD_VER > 14
+template <class _ToDuration, class _Clock, class _Duration>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+typename enable_if
+<
+ __is_duration<_ToDuration>::value,
+ time_point<_Clock, _ToDuration>
+>::type
+floor(const time_point<_Clock, _Duration>& __t)
+{
+ return time_point<_Clock, _ToDuration>{floor<_ToDuration>(__t.time_since_epoch())};
+}
+
+template <class _ToDuration, class _Clock, class _Duration>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+typename enable_if
+<
+ __is_duration<_ToDuration>::value,
+ time_point<_Clock, _ToDuration>
+>::type
+ceil(const time_point<_Clock, _Duration>& __t)
+{
+ return time_point<_Clock, _ToDuration>{ceil<_ToDuration>(__t.time_since_epoch())};
+}
+
+template <class _ToDuration, class _Clock, class _Duration>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+typename enable_if
+<
+ __is_duration<_ToDuration>::value,
+ time_point<_Clock, _ToDuration>
+>::type
+round(const time_point<_Clock, _Duration>& __t)
+{
+ return time_point<_Clock, _ToDuration>{round<_ToDuration>(__t.time_since_epoch())};
+}
+
+template <class _Rep, class _Period>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
+typename enable_if
+<
+ numeric_limits<_Rep>::is_signed,
+ duration<_Rep, _Period>
+>::type
+abs(duration<_Rep, _Period> __d)
+{
+ return __d >= __d.zero() ? __d : -__d;
+}
+#endif
+
+// time_point ==
+
+template <class _Clock, class _Duration1, class _Duration2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+bool
+operator==(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
+{
+ return __lhs.time_since_epoch() == __rhs.time_since_epoch();
+}
+
+// time_point !=
+
+template <class _Clock, class _Duration1, class _Duration2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+bool
+operator!=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
+{
+ return !(__lhs == __rhs);
+}
+
+// time_point <
+
+template <class _Clock, class _Duration1, class _Duration2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+bool
+operator<(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
+{
+ return __lhs.time_since_epoch() < __rhs.time_since_epoch();
+}
+
+// time_point >
+
+template <class _Clock, class _Duration1, class _Duration2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+bool
+operator>(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
+{
+ return __rhs < __lhs;
+}
+
+// time_point <=
+
+template <class _Clock, class _Duration1, class _Duration2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+bool
+operator<=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
+{
+ return !(__rhs < __lhs);
+}
+
+// time_point >=
+
+template <class _Clock, class _Duration1, class _Duration2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+bool
+operator>=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
+{
+ return !(__lhs < __rhs);
+}
+
+// time_point operator+(time_point x, duration y);
+
+template <class _Clock, class _Duration1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type>
+operator+(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Tr;
+ return _Tr (__lhs.time_since_epoch() + __rhs);
+}
+
+// time_point operator+(duration x, time_point y);
+
+template <class _Rep1, class _Period1, class _Clock, class _Duration2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+time_point<_Clock, typename common_type<duration<_Rep1, _Period1>, _Duration2>::type>
+operator+(const duration<_Rep1, _Period1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
+{
+ return __rhs + __lhs;
+}
+
+// time_point operator-(time_point x, duration y);
+
+template <class _Clock, class _Duration1, class _Rep2, class _Period2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type>
+operator-(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
+{
+ typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Ret;
+ return _Ret(__lhs.time_since_epoch() -__rhs);
+}
+
+// duration operator-(time_point x, time_point y);
+
+template <class _Clock, class _Duration1, class _Duration2>
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
+typename common_type<_Duration1, _Duration2>::type
+operator-(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
+{
+ return __lhs.time_since_epoch() - __rhs.time_since_epoch();
+}
+
+//////////////////////////////////////////////////////////
+/////////////////////// clocks ///////////////////////////
+//////////////////////////////////////////////////////////
+
+class _LIBCPP_TYPE_VIS system_clock
+{
+public:
+ typedef microseconds duration;
+ typedef duration::rep rep;
+ typedef duration::period period;
+ typedef chrono::time_point<system_clock> time_point;
+ static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false;
+
+ static time_point now() _NOEXCEPT;
+ static time_t to_time_t (const time_point& __t) _NOEXCEPT;
+ static time_point from_time_t(time_t __t) _NOEXCEPT;
+};
+
+#ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK
+class _LIBCPP_TYPE_VIS steady_clock
+{
+public:
+ typedef nanoseconds duration;
+ typedef duration::rep rep;
+ typedef duration::period period;
+ typedef chrono::time_point<steady_clock, duration> time_point;
+ static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = true;
+
+ static time_point now() _NOEXCEPT;
+};
+
+typedef steady_clock high_resolution_clock;
+#else
+typedef system_clock high_resolution_clock;
+#endif
+
+} // chrono
+
+#if _LIBCPP_STD_VER > 11
+// Suffixes for duration literals [time.duration.literals]
+inline namespace literals
+{
+ inline namespace chrono_literals
+ {
+
+ constexpr chrono::hours operator""h(unsigned long long __h)
+ {
+ return chrono::hours(static_cast<chrono::hours::rep>(__h));
+ }
+
+ constexpr chrono::duration<long double, ratio<3600,1>> operator""h(long double __h)
+ {
+ return chrono::duration<long double, ratio<3600,1>>(__h);
+ }
+
+
+ constexpr chrono::minutes operator""min(unsigned long long __m)
+ {
+ return chrono::minutes(static_cast<chrono::minutes::rep>(__m));
+ }
+
+ constexpr chrono::duration<long double, ratio<60,1>> operator""min(long double __m)
+ {
+ return chrono::duration<long double, ratio<60,1>> (__m);
+ }
+
+
+ constexpr chrono::seconds operator""s(unsigned long long __s)
+ {
+ return chrono::seconds(static_cast<chrono::seconds::rep>(__s));
+ }
+
+ constexpr chrono::duration<long double> operator""s(long double __s)
+ {
+ return chrono::duration<long double> (__s);
+ }
+
+
+ constexpr chrono::milliseconds operator""ms(unsigned long long __ms)
+ {
+ return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(__ms));
+ }
+
+ constexpr chrono::duration<long double, milli> operator""ms(long double __ms)
+ {
+ return chrono::duration<long double, milli>(__ms);
+ }
+
+
+ constexpr chrono::microseconds operator""us(unsigned long long __us)
+ {
+ return chrono::microseconds(static_cast<chrono::microseconds::rep>(__us));
+ }
+
+ constexpr chrono::duration<long double, micro> operator""us(long double __us)
+ {
+ return chrono::duration<long double, micro> (__us);
+ }
+
+
+ constexpr chrono::nanoseconds operator""ns(unsigned long long __ns)
+ {
+ return chrono::nanoseconds(static_cast<chrono::nanoseconds::rep>(__ns));
+ }
+
+ constexpr chrono::duration<long double, nano> operator""ns(long double __ns)
+ {
+ return chrono::duration<long double, nano> (__ns);
+ }
+
+}}
+
+namespace chrono { // hoist the literals into namespace std::chrono
+ using namespace literals::chrono_literals;
+}
+
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+_LIBCPP_POP_MACROS
+
+#endif // _LIBCPP_CHRONO