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std::chrono::day::operator+=, std::chrono::day::operator-=

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< cpp‎ | chrono‎ | day
 
 
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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;

Contents

[edit] Return value

A reference to this day after modification

[edit] Notes

If the result would be outside the range [0, 255], the actual stored value is unspecified.

[edit] Example

[edit] See also

increments or decrements the day
(public member function) [edit]
adds or subtracts a number of days and a day, or find the difference between two days
(function) [edit]