std::chrono::weekday::operator++, std::chrono::weekday::operator-- - cppreference.com (original) (raw)
| 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].
[edit] Parameters
(none)
[edit] Return value
1,3) A reference to this weekday after modification.
2,4) A copy of the weekday made before modification.
[edit] Notes
After a call to one of these functions, ok() is always true.