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std::chrono::weekday::operator++, std::chrono::weekday::operator--

constexpr std::chrono::weekday& operator++() noexcept;
(1) (since C++20)
constexpr std::chrono::weekday operator++(int) noexcept;
(2) (since C++20)
constexpr std::chrono::weekday& operator--() noexcept;
(3) (since C++20)
constexpr std::chrono::weekday operator--(int) noexcept;
(4) (since C++20)

Adds or subtracts 1 from the weekday value, reducing the result modulo 7 to an integer in the range [0, 6].

1-2) Performs *this += std::chrono::days{1};
3-4) Performs *this -= std::chrono::days{1};

Parameters

(none).

Return value

1,3) a reference to this weekday after modification
2,4) a copy of the weekday made before modification

Notes

After a call to one of these functions, ok() is always true.

Example

See also

adds or subtracts a number of days
(public member function)
performs arithmetic on weekdays
(function)

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