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

 

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std::chrono::year

成员函数

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

非成员函数

operator==operator!=operator<operator<=operator>operator>=

operator+operator-

operator<<

to_stream

from_stream

 

constexpr bool operator==(const std::chrono::year& x, const std::chrono::year& y) noexcept;	(1)	(C++20 起)
constexpr bool operator!=(const std::chrono::year& x, const std::chrono::year& y) noexcept;	(2)	(C++20 起)
constexpr bool operator< (const std::chrono::year& x, const std::chrono::year& y) noexcept;	(3)	(C++20 起)
constexpr bool operator<=(const std::chrono::year& x, const std::chrono::year& y) noexcept;	(4)	(C++20 起)
constexpr bool operator> (const std::chrono::year& x, const std::chrono::year& y) noexcept;	(5)	(C++20 起)
constexpr bool operator>=(const std::chrono::year& x, const std::chrono::year& y) noexcept;	(6)	(C++20 起)

比较二个 std::chrono::year x 与 y 。

返回值

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)