NAME¶

std::chrono::weekday - std::chrono::weekday

Synopsis¶

Defined in header <chrono>
class weekday; (since C++20)
inline constexpr std::chrono::weekday Sunday{0}; (since C++20)
inline constexpr std::chrono::weekday Monday{1}; (since C++20)
inline constexpr std::chrono::weekday Tuesday{2}; (since C++20)
inline constexpr std::chrono::weekday Wednesday{3}; (since C++20)
inline constexpr std::chrono::weekday Thursday{4}; (since C++20)
inline constexpr std::chrono::weekday Friday{5}; (since C++20)
inline constexpr std::chrono::weekday Saturday{6}; (since C++20)

The class weekday represent a day of the week in the Gregorian calendar. Its normal
range is [0, 6], for Sunday through Saturday, but it can hold any value in the range
[0, 255]. Seven named constants are predefined in the std::chrono namespace for the
seven days of the week.

weekday is a TriviallyCopyable StandardLayoutType.

Member functions¶

constructor constructs a weekday
(public member function)
operator++
operator++(int) increments or decrements the weekday
operator-- (public member function)
operator--(int)
operator+= adds or subtracts a number of days
operator-= (public member function)
c_encoding retrieves the stored weekday value
iso_encoding retrieves ISO 8601 weekday value
(public member function)
ok checks if the stored weekday value is valid
(public member function)
convenience syntax for constructing a weekday_indexed or
operator[] weekday_last from this weekday
(public member function)

Nonmember functions

operator== compares two weekday values
(C++20) (function)
operator+ performs arithmetic on weekdays
operator- (function)
(C++20)
operator<< outputs a weekday into a stream
(C++20) (function template)
from_stream parses a weekday from a stream according to the provided format
(C++20) (function template)

Helper classes¶

std::formatter<std::chrono::weekday> specialization of std::formatter that formats a
(C++20) weekday according to the provided format
(class template specialization)