Scroll to navigation

std::chrono::weekday_indexed::index(3) C++ Standard Libary std::chrono::weekday_indexed::index(3)

NAME

std::chrono::weekday_indexed::index - std::chrono::weekday_indexed::index

Synopsis


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


Accesses the index stored in *this.

Return value


The index stored in *this.

Example

// Run this code


#include <chrono>
#include <iostream>


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


std::chrono::weekday_indexed wdi {std::chrono::Tuesday[2]}; // 2nd Tuesday of a month
std::cout << (std::chrono::year_month_day{wdi/10/2019} ==
std::chrono::year_month_day{std::chrono::October/8/2019}) << ' ';


wdi = {wdi.weekday()[wdi.index() + 2]}; // 2nd Tuesday => 4th Tuesday
std::cout << (std::chrono::year_month_day{wdi/10/2019} ==
std::chrono::year_month_day{std::chrono::October/22/2019}) << '\n';
}

Output:


true true

2024.06.10 http://cppreference.com