std::chrono::day::operator++, std::chrono::day::operator--
From cppreference.com
C++
Feature test macros (C++20)
Concepts library (C++20)
Metaprogramming library (C++11)
Ranges library (C++20)
Filesystem library (C++17)
Concurrency support library (C++11)
Execution control library (C++26)
Date and time library
(C++11)
(C++20)
(C++20)
(C++11)
(C++11)
(C++11)
(C++20)
(C++20)
(C++20)
(C++11)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
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 days (function) [edit]