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std::chrono::hh_mm_ss(3)       C++ Standard Libary	std::chrono::hh_mm_ss(3)

NAME
     std::chrono::hh_mm_ss - std::chrono::hh_mm_ss

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

	The  class template hh_mm_ss splits a std::chrono::duration into a "bro-
     ken down" time
	such as hours:minutes:seconds, with the precision of  the  split  deter-
     mined 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 the smallest possible integer in the  range	[0,  18]
     such that
	fractional_width    precision  (see  below)  will  exactly represent the
     value of
	[static]	   Duration{1}, or 6 if there's no such integer
			   (public static member constant)

Member types
	Member type Definition
		    std::chrono::duration<std::common_type_t<Duration::rep,
	precision    std::chrono::seconds::rep>,			std::ra-
     tio<1,
		    10^fractional_width>>

Member functions
	constructor	   constructs a hh_mm_ss
			   (public member function)
	is_negative
	hours		   obtains components of the broken-down time
	minutes 	   (public member function)
	seconds
	subseconds
	operator precision obtains the stored std::chrono::duration
	to_duration	   (public member function)

Non-member functions
	operator<< outputs a hh_mm_ss into a stream
	(C++20)    (function template)

Helper classes
	std::formatter<std::chrono::hh_mm_ss> formatting support for hh_mm_ss
	(C++20) 			      (class template specialization)

http://cppreference.com 	   2024.06.10		std::chrono::hh_mm_ss(3)
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