# 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

From cppreference.com
< cpp‎ | chrono‎ | year month weekday

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 noexcept; | (5) | (since C++20)

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()].

### Example

Run this code

    #include <iostream>
    #include <chrono>

    int main()
    {
        std::cout << std::boolalpha;

        constexpr auto ym {std::chrono::year(2021)/std::chrono::January};
        constexpr auto wdi {std::chrono::Wednesday[1]};
        auto ymwdi {ym/wdi};
        auto index = ymwdi.index() + 1;
        auto weekday = ymwdi.weekday() + std::chrono::days(1);
        ymwdi = {ymwdi.year()/ymwdi.month()/weekday[index]};
        // Second Thursday in January, 2021
        std::cout << (std::chrono::year_month_day{ymwdi} ==
                      std::chrono::January/14/2021) << '\n';
    }

Output:

    true

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