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std::chrono::hh_mm_ss

Defined in header `<chrono>`
template< class Duration > class hh_mm_ss;		(since C++20)

The class template hh_mm_ss splits a std::chrono::duration into a "broken down" time such as hours:minutes:seconds, with the precision of the split determined by the Duration template parameter. It is primarily a formatting tool.

Duration must be a specialization of std::chrono::duration, otherwise the program is ill-formed.

Member Constants

constexpr unsigned fractional_width

[static]

the smallest possible integer in the range [0, 18] such that precision (see below) will exactly represent the value of Duration{1}, or 6 if there's no such integer
(public static member constant)

Member types

Member type	Definition
`precision`	`std::chrono::duration<std::common_type_t<Duration::rep, std::chrono::seconds::rep>, std::ratio<1, 10^{fractional_width}>>`

Member functions

(constructor)	constructs a `hh_mm_ss` (public member function)
is_negativehoursminutessecondssubseconds	obtains components of the broken-down time (public member function)
operator precisionto_duration	obtains the stored `std::chrono::duration` (public member function)

Non-member functions

operator<<

(C++20)

outputs a hh_mm_ss into a stream
(function template)

Helper classes

std::formatter<std::chrono::hh_mm_ss>

(C++20)

formatting support for hh_mm_ss
(class template specialization)

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