std::chrono::weekday::operator[] - cppreference.com (original) (raw)

1. Constructs a weekday_indexed from *this and index. The result represents the index-th weekday in some yet-to-be-specified month. If index is not in the range [​0​, 7] or if !ok() the values (an underlying weekday and an index) held in the result are unspecified.

2. Constructs a weekday_last from *this. The result represents the last weekday in some yet-to-be-specified month.

[edit] Return value

[edit] Example

#include #include using namespace std::chrono;   int main() { constexpr auto second_tuesday_in_October_2019 = year_month_day{Tuesday[2] / October / 2019y};   constexpr auto last_tuesday_in_October_2019 = year_month_day{Tuesday[last] / October / 2019y};   std::cout << second_tuesday_in_October_2019 << '\n' << last_tuesday_in_October_2019 << '\n'; }

Possible output: