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

来自cppreference.com
< cpp‎ | chrono‎ | month day
 
 
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constexpr bool operator==( const std::chrono::month_day& x,
                           const std::chrono::month_day& y ) noexcept;
(1) (C++20 起)
constexpr std::strong_ordering operator!=( const std::chrono::month_day& x,
                                           const std::chrono::month_day& y ) noexcept;
(2) (C++20 起)

比较二个 month_day 对象。

返回值

1) x.month() == y.month() && x.day() == y.day()
2) x.month() <=> y.month() != 0 ? x.month() <=> y.month() : x.day() <=> y.day()
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