std::chrono::year_month_weekday::year, std::chrono::year_month_weekday::month, std::chrono::year_month_weekday::weekday, std::chrono::year_month_weekday::index, std::chrono::year_month_weekday::weekday_indexed

来自cppreference.com
 
 
 
日期和时间工具
(C++11)
(C++11)
时钟
(C++20)
                                             
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
日历
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
时区
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
C 风格日期和时间
 
 
constexpr std::chrono::year year() const noexcept;
(1) (C++20 起)
constexpr std::chrono::month month() const noexcept;
(2) (C++20 起)
constexpr std::chrono::weekday weekday() const noexcept;
(3) (C++20 起)
constexpr unsigned index() const noexcept;
(4) (C++20 起)
constexpr std::chrono::weekday_indexed weekday_indexed() const noexcept;
(5) (C++20 起)

返回存储于此 year_month_weekday 对象中的域的值。

[编辑] 返回值

1) 返回存储的 std::chrono::year 值。
2) 返回存储的 std::chrono::month 值。
3) 返回存储的 std::chrono::weekday 值。
4) 返回存储的星期之日下标。
5) weekday()[index()]