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

From cppreference.com
< cpplrm; | chronolrm; | year
Date and time utilities
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Calendars
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Time zones
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C-style date and time
constexpr bool operator==(const std::chrono::year& x, const std::chrono::year& y) noexcept;
(1) (since C++20)
constexpr bool operator!=(const std::chrono::year& x, const std::chrono::year& y) noexcept;
(2) (since C++20)
constexpr bool operator< (const std::chrono::year& x, const std::chrono::year& y) noexcept;
(3) (since C++20)
constexpr bool operator<=(const std::chrono::year& x, const std::chrono::year& y) noexcept;
(4) (since C++20)
constexpr bool operator> (const std::chrono::year& x, const std::chrono::year& y) noexcept;
(5) (since C++20)
constexpr bool operator>=(const std::chrono::year& x, const std::chrono::year& y) noexcept;
(6) (since C++20)

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

Return value

1) int(x) == int(y)
2) int(x) != int(y)
3) int(x) < int(y)
4) int(x) <= int(y)
5) int(x) > int(y)
6) int(x) >= int(y)