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std::chrono::file_clock:: to_utc, std::chrono::file_clock:: from_utc

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C++
Date and time library
std::chrono::file_clock
Member functions

( optional* )

file_clock::to_utc file_clock::from_utc
( optional* )
Time point I/O
template < class Duration >

static std:: chrono :: utc_time < /* see below */ >

to_utc ( const std:: chrono :: file_time < Duration > & t ) ;
(1) (since C++20)
( optional* )
template < class Duration >

static std:: chrono :: file_time < /* see below */ >

from_utc ( const std:: chrono :: utc_time < Duration > & t ) ;
(2) (since C++20)
( optional* )
1) Converts the file_time t to a utc_time representing the same point in time.
2) Converts the utc_time t to a file_time representing the same point in time.

The duration of the return type is computed from Duration in an unspecified manner.

These function templates are optional: an implementation may choose to instead provide to_sys() and from_sys() .

Contents

Return value

1) A utc_time representing the same point in time as the argument.
2) A file_time representing the same point in time as the argument.

Notes

User code should usually use std:: chrono :: clock_cast , which provides a generic interface to convert time points between clocks, rather than call these functions directly.

Example

This section is incomplete
Reason: no example

See also

[static] (optional)
converts between file_time and sys_time
(public static member function)
(C++20)
convert time points of one clock to another
(function template)