std::chrono::day::operator++, std::chrono::day::operator--
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std::chrono::day
Member functions
day::operator++day::operator--
Nonmember functions
Helper classes
(C++26)
constexpr std::chrono::day & operator++() noexcept;
(1)
(since C++20)
constexpr std::chrono::day operator++( int ) noexcept;
(2)
(since C++20)
constexpr std::chrono::day & operator--() noexcept;
(3)
(since C++20)
constexpr std::chrono::day operator--( int ) noexcept;
(4)
(since C++20)
Adds or subtracts 1 from the day value.
1,2) Performs *this += std::chrono::days {1};.
3,4) Performs *this -= std::chrono::days {1};.
Contents
[edit] Parameters
(none)
[edit] Return value
1,3) A reference to this
day
after modification.2,4) A copy of the
day
made before modification.[edit] Notes
If the result would be outside the range [
0,
255]
, the actual stored value is unspecified.
[edit] Example
Run this code
#include <cassert> #include <chrono> int main() { std::chrono::day d{15}; ++d; assert (d == std::chrono::day (16)); --d; assert (d == std::chrono::day (15)); }
[edit] See also
(C++20)
day
, or find the difference between two day
s (function) [edit]