std::chrono::day::operator+=, std::chrono::day::operator-=
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constexpr std::chrono::day& operator+=(const std::chrono::days& d) noexcept; |
(1) | (since C++20) |
constexpr std::chrono::day& operator-=(const std::chrono::days& d) noexcept; |
(2) | (since C++20) |
Adds or subtracts d.count() days from the day value.
1) Equivalent to *this = *this + d;
2) Equivalent to *this = *this - d;
Return value
A reference to this day
after modification
Notes
If the result would be outside the range [0, 255], the actual stored value is unspecified.
Example
This section is incomplete Reason: no example |
See also
increments or decrements the day (public member function) | |
adds or subtracts a number of days and a day , or find the difference between two day s (function) |