std::chrono::month::operator+=, std::chrono::month::operator-=
From cppreference.com
constexpr std::chrono::month& operator+=(const std::chrono::months& m) noexcept; |
(1) | (since C++20) |
constexpr std::chrono::month& operator+=(const std::chrono::months& m) noexcept; |
(2) | (since C++20) |
Adds or subtracts m.count()
from the month value, reducing the result modulo 12 to an integer in the range [1, 12].
1) Performs *this = *this + m;
2) Performs *this = *this - m;
Return value
A reference to this month
after modification.
Notes
After a call to one of these functions, ok() is always true if no overflow occurred during the operation.
Example
This section is incomplete Reason: no example |
See also
increments or decrements the month (public member function) | |
performs arithmetic on month s (function) |