std::chrono::year::ok

 

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std::chrono::year

Member functions

year::year

year::operator++year::operator--

year::operator+=year::operator-=

year::operator+year::operator-

year::is_leap

year::operator int

year::ok

year::min

year::max

Nonmember functions

operator==operator<=>

operator+operator-

operator<<

from_stream

Helper classes

formatter<std::chrono::year>

 

constexpr bool ok() const noexcept;		(since C++20)

Checks if the year value stored in *this is in the valid range, i.e., [-32767, 32767].

Return value

true if the year value stored in *this is in the range [-32767, 32767]. Otherwise false.

Example

Run this code

#include <iostream>
#include <chrono>
 
int main()
{
    constexpr int iy1{2020};
    std::cout << iy1 << " year is "
              << (std::chrono::year{iy1}.ok() ? "valid" : "invalid") << '\n';
 
    constexpr int iy2{1 << 15};
    std::cout << iy2 << " year is "
              << (std::chrono::year{iy2}.ok() ? "valid" : "invalid") << '\n';
}

Output:

2020 year is valid
32768 year is invalid