std::chrono::year_month_weekday::year,std::chrono::year_month_weekday::month, (3) Linux Manual Page

std::chrono::year_month_weekday::year,std::chrono::year_month_weekday::month, – std::chrono::year_month_weekday::year,std::chrono::year_month_weekday::month,

Synopsis

            std::chrono::year_month_weekday::weekday_indexed

constexpr std::chrono::year year() const noexcept;
(1)(since C++ 20)

    constexpr std::chrono::month month() const noexcept;
(2)(since C++ 20)

    constexpr std::chrono::weekday weekday() const noexcept;
(3)(since C++ 20)

    constexpr unsigned index() const noexcept;
(4)(since C++ 20)

    constexpr std::chrono::weekday_indexed weekday_indexed() const(5)(since C++ 20)

        noexcept;

Retrieves the field values stored in this year_month_weekday object.

Return values

1) Returns the stored std::chrono::year value.
2) Returns the stored std::chrono::month value.
3) Returns the stored std::chrono::weekday value.
4) Returns the stored weekday index.
5) weekday()[index()].