std::chrono::operator==,<=>(std::chrono::year)

Since C++20

Header: <chrono>

Compare the two std::chrono::year x and y.

# Declarations

constexpr bool operator==( const std::chrono::year& x,
const std::chrono::year& y ) noexcept;

(since C++20)

constexpr std::strong_ordering operator<=>( const std::chrono::year& x,
const std::chrono::year& y ) noexcept;

(since C++20)

# Example

#include <chrono>
#include <iostream>
 
int main()
{
    using namespace std::chrono;
 
    constexpr year y1{2020};
    constexpr year y2{2021};
 
    std::cout << std::boolalpha << (y1 != y2) << '\n';
 
    static_assert((2020y < 2023y) && (2020y == 2020y) && (2020y <= 2023y) &&
                  (2023y > 2020y) && (2023y != 2020y) && (2023y >= 2020y));
}