W3cubDocs

/C++

std::chrono::year::operator+, std::chrono::year::operator-

constexpr std::chrono::year operator+() noexcept;
(1) (since C++20)
constexpr std::chrono::year operator-() noexcept;
(2) (since C++20)

Applies the unary operators to the year value.

1) Returns a copy of *this.
2) Returns a year whose year value is the negation of that of *this.

Return value

1) *this
2) std::chrono::year(-int(*this))

Example

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/chrono/year/operator_sign