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[libc++][NFC] Remove unimplemented parts of chrono synopsis
Several parts in the `chrono` synopsis for C++20 are not yet implemented. The current recommendation is that things are added to the synopsis when implemented -- not beforehand. As such, remove the not-yet-implemented parts to avoid confusion. Reviewed By: ldionne, Quuxplusone, #libc Differential Revision: https://reviews.llvm.org/D111922
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Joe Loser
@@ -148,11 +148,6 @@ template <class Clock, class Duration1, class Duration2>
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namespace chrono {
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template<class T> struct is_clock; // C++20
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template<class T> inline constexpr bool is_clock_v = is_clock<T>::value; // C++20
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// duration arithmetic
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template <class Rep1, class Period1, class Rep2, class Period2>
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constexpr
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@@ -281,18 +276,6 @@ template <class Duration>
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using sys_seconds = sys_time<seconds>; // C++20
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using sys_days = sys_time<days>; // C++20
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class utc_clock; // C++20
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template <class Duration>
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using utc_time = time_point<utc_clock, Duration>; // C++20
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using utc_seconds = utc_time<seconds>; // C++20
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class tai_clock; // C++20
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template <class Duration>
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using tai_time = time_point<tai_clock, Duration>; // C++20
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using tai_seconds = tai_time<seconds>; // C++20
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class file_clock; // C++20
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template<class Duration>
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@@ -319,12 +302,6 @@ template<class Duration>
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using local_seconds = local_time<seconds>;
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using local_days = local_time<days>;
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// 25.7.9, time_point conversions template<class DestClock, class SourceClock> // C++20
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struct clock_time_conversion;
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template<class DestClock, class SourceClock, class Duration>
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auto clock_cast(const time_point<SourceClock, Duration>& t);
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// 25.8.2, class last_spec // C++20
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struct last_spec;
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@@ -639,39 +616,12 @@ public:
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constexpr precision to_duration() const noexcept;
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};
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template <class charT, class traits, class Duration>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os, hh_mm_ss<Duration> const& hms);
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// 26.10, 12/24 hour functions
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constexpr bool is_am(hours const& h) noexcept;
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constexpr bool is_pm(hours const& h) noexcept;
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constexpr hours make12(const hours& h) noexcept;
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constexpr hours make24(const hours& h, bool is_pm) noexcept;
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// 25.10.2, time zone database // C++20
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struct tzdb;
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class tzdb_list;
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// 25.10.2.3, time zone database access // C++20
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const tzdb& get_tzdb();
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tzdb_list& get_tzdb_list();
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const time_zone* locate_zone(string_view tz_name);
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const time_zone* current_zone();
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// 25.10.2.4, remote time zone database support // C++20
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const tzdb& reload_tzdb();
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string remote_version();
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// 25.10.3, exception classes // C++20
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class nonexistent_local_time;
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class ambiguous_local_time;
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// 25.10.4, information classes // C++20
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struct sys_info;
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struct local_info;
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// 25.10.5, class time_zone // C++20
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enum class choose {earliest, latest};
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class time_zone;
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@@ -682,101 +632,6 @@ bool operator>(const time_zone& x, const time_zone& y) noexcept;
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bool operator<=(const time_zone& x, const time_zone& y) noexcept;
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bool operator>=(const time_zone& x, const time_zone& y) noexcept;
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// 25.10.6, class template zoned_traits // C++20
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template<class T> struct zoned_traits;
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// 25.10.7, class template zoned_time // C++20
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template<class Duration, class TimeZonePtr = const time_zone*> class zoned_time;
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using zoned_seconds = zoned_time<seconds>;
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template<class Duration1, class Duration2, class TimeZonePtr>
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bool operator==(const zoned_time<Duration1, TimeZonePtr>& x,
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const zoned_time<Duration2, TimeZonePtr>& y);
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template<class Duration1, class Duration2, class TimeZonePtr>
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bool operator!=(const zoned_time<Duration1, TimeZonePtr>& x,
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const zoned_time<Duration2, TimeZonePtr>& y);
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// 25.10.8, leap second support // C++20
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class leap;
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bool operator==(const leap& x, const leap& y);
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bool operator!=(const leap& x, const leap& y);
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bool operator< (const leap& x, const leap& y);
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bool operator> (const leap& x, const leap& y);
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bool operator<=(const leap& x, const leap& y);
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bool operator>=(const leap& x, const leap& y);
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template<class Duration>
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bool operator==(const leap& x, const sys_time<Duration>& y);
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template<class Duration>
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bool operator==(const sys_time<Duration>& x, const leap& y);
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template<class Duration>
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bool operator!=(const leap& x, const sys_time<Duration>& y);
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template<class Duration>
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bool operator!=(const sys_time<Duration>& x, const leap& y);
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template<class Duration>
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bool operator< (const leap& x, const sys_time<Duration>& y);
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template<class Duration>
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bool operator< (const sys_time<Duration>& x, const leap& y);
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template<class Duration>
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bool operator> (const leap& x, const sys_time<Duration>& y);
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template<class Duration>
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bool operator> (const sys_time<Duration>& x, const leap& y);
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template<class Duration>
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bool operator<=(const leap& x, const sys_time<Duration>& y);
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template<class Duration>
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bool operator<=(const sys_time<Duration>& x, const leap& y);
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template<class Duration>
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bool operator>=(const leap& x, const sys_time<Duration>& y);
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template<class Duration>
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bool operator>=(const sys_time<Duration>& x, const leap& y);
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// 25.10.9, class link // C++20
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class link;
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bool operator==(const link& x, const link& y);
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bool operator!=(const link& x, const link& y);
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bool operator< (const link& x, const link& y);
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bool operator> (const link& x, const link& y);
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bool operator<=(const link& x, const link& y);
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bool operator>=(const link& x, const link& y);
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// 25.11, formatting // C++20
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template<class charT, class Streamable>
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basic_string<charT>
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format(const charT* fmt, const Streamable& s);
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template<class charT, class Streamable>
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basic_string<charT>
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format(const locale& loc, const charT* fmt, const Streamable& s);
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template<class charT, class traits, class Alloc, class Streamable>
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basic_string<charT, traits, Alloc>
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format(const basic_string<charT, traits, Alloc>& fmt, const Streamable& s);
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template<class charT, class traits, class Alloc, class Streamable>
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basic_string<charT, traits, Alloc>
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format(const locale& loc, const basic_string<charT, traits, Alloc>& fmt,
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const Streamable& s);
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// 25.12, parsing // C++20
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template<class charT, class traits, class Alloc, class Parsable>
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unspecified
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parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp);
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template<class charT, class traits, class Alloc, class Parsable>
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unspecified
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parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
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basic_string<charT, traits, Alloc>& abbrev);
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template<class charT, class traits, class Alloc, class Parsable>
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unspecified
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parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
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minutes& offset);
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template<class charT, class traits, class Alloc, class Parsable>
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unspecified
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parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
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basic_string<charT, traits, Alloc>& abbrev, minutes& offset);
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// calendrical constants
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inline constexpr last_spec last{}; // C++20
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inline constexpr chrono::weekday Sunday{0}; // C++20
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