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    std::chrono::hh_mm_ss<Duration>::hh_mm_ss

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    std::chrono::hh_mm_ss
     
    constexpr hh_mm_ss() noexcept : hh_mm_ss{Duration::zero()} {}
    		(1) 
    constexpr explicit hh_mm_ss( Duration d );
    		(2)

    Constructs a hh_mm_ss object.

    1) Constructs a hh_mm_ss object corresponding to Duration::zero().
    2) Constructs a hh_mm_ss object corresponding to d:
    • is_negative() returns d < Duration::zero().
    • hours() returns std::chrono::duration_cast<std::chrono::hours>(abs(d)).
    • minutes() returns std::chrono::duration_cast<std::chrono::minutes>(abs(d) - hours()).
    • seconds() returns
      std::chrono::duration_cast<std::chrono::seconds>(abs(d) - hours() - minutes()).
    • subseconds() returns abs(d) - hours() - minutes() - seconds() if std::chrono::treat_as_floating_point_v<precision::rep> is true; otherwise it returns std::chrono::duration_cast<precision>(abs(d) - hours() - minutes() - seconds()).

    Parameters

    d - the duration to be broken down

    Example

    Run this code
    #include <chrono>
#include <print>
 
int main()
{
    std::println("Default constructor: {}", std::chrono::hh_mm_ss<std::chrono::minutes>{});

    std::chrono::time_point now = std::chrono::system_clock::now();
    std::chrono::hh_mm_ss time_of_day{now - std::chrono::floor<std::chrono::days>(now)};
    std::println("The time of day is: {}", time_of_day);
}

    Possible output: 

    Default constructor: 00:00:00
The time of day is: 12:13:14.151617189