std::chrono::operator<<(std::chrono::tai_time)

 

C++

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Technical Specifications

 

Utilities library

Language support Type support (basic types, RTTI, type traits) Library feature-test macros (C++20) Dynamic memory management Program utilities Error handling Coroutine support (C++20) Variadic functions launder (C++17) initializer_list (C++11) source_location (C++20) Three-way comparison (C++20) three_way_comparablethree_way_comparable_with (C++20)(C++20) strong_ordering (C++20) weak_ordering (C++20) partial_ordering (C++20) common_comparison_category (C++20) compare_three_way_result (C++20) compare_three_way (C++20) strong_order (C++20) weak_order (C++20) partial_order (C++20) compare_strong_order_fallback (C++20) compare_weak_order_fallback (C++20) compare_partial_order_fallback (C++20) is_eqis_neqis_ltis_lteqis_gtis_gteq (C++20)(C++20)(C++20)(C++20)(C++20)(C++20)

General utilities Date and time Function objects Formatting library (C++20) bitset hash (C++11) integer_sequence (C++14) Relational operators (deprecated in C++20) rel_ops::operator!=rel_ops::operator>rel_ops::operator<=rel_ops::operator>= Integer comparison functions cmp_equalcmp_not_equalcmp_lesscmp_greatercmp_less_thancmp_greater_than (C++20)(C++20)(C++20)(C++20)(C++20)(C++20) in_range (C++20) Swap and type operations swap ranges::swap (C++20) exchange (C++14) declval (C++11) forward (C++11) move (C++11) move_if_noexcept (C++11) as_const (C++17) Common vocabulary types pair tuple (C++11) apply (C++17) make_from_tuple (C++17) optional (C++17) any (C++17) variant (C++17) Elementary string conversions to_chars (C++17) from_chars (C++17) chars_format (C++17)

 

Date and time utilities

duration (C++11) time_point (C++11)	clock_time_conversion (C++20) clock_cast (C++20)
Time of day
hh_mm_ss (C++20)	is_amis_pmmake12make24 (C++20)(C++20)(C++20)(C++20)
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system_clock (C++11) steady_clock (C++11) high_resolution_clock (C++11) is_clock (C++20)	utc_clock (C++20) tai_clock (C++20) gps_clock (C++20) file_clock (C++20) local_t (C++20)
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day (C++20) month (C++20) year (C++20) weekday (C++20) operator/ (C++20) year_month_day (C++20) year_month_day_last (C++20) year_month_weekday (C++20) year_month_weekday_last (C++20)	weekday_indexed (C++20) weekday_last (C++20) month_day (C++20) month_day_last (C++20) month_weekday (C++20) month_weekday_last (C++20) year_month (C++20)
Time zones
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C-style date and time

 

std::chrono::tai_clock

Member functions

tai_clock::now

tai_clock::to_utc

tai_clock::from_utc

Time point I/O

operator<<

formatter<std::chrono::tai_time>

from_stream

 

template <class CharT, class Traits, class Duration> std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os,            const std::chrono::tai_time<Duration>& tp);		(since C++20)

Outputs tp into the stream os, as if by os << std::format(STATICALLY_WIDEN<CharT>("{:%F %T}"), tp), where STATICALLY_WIDEN<CharT>("{:%F %T}") is "{:%F %T}" if CharT is char, and L"{:%F %T}" if CharT is wchar_t.

Return value

os.

See also

std::formatter<std::chrono::tai_time> (C++20)	specialization of std::formatter that formats a tai_time according to the provided format (class template specialization)
format (C++20)	stores formatted representation of the arguments in a new string (function template)