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std::chrono:: operator== (std::chrono::weekday_last)

From cppreference.net
C++
Date and time library
std::chrono::weekday_last
Defined in header <chrono>
constexpr bool operator == ( const std:: chrono :: weekday_last & x,
const std:: chrono :: weekday_last & y ) noexcept ;
(since C++20)

Compares the two weekday_last values x and y .

The != operator is synthesized from operator== .

Return value

x. weekday ( ) == y. weekday ( )

Example

Run this code 
#include <chrono>
#include <iostream>
int main()
{
    constexpr auto wdl1{std::chrono::Tuesday[std::chrono::last]};
    constexpr std::chrono::weekday_last wdl2{std::chrono::weekday(2)};
    std::cout << std::boolalpha
              << (wdl1 == wdl2) << ' '
              << (wdl1 == std::chrono::Wednesday[std::chrono::last]) << '\n';
}

Output: 

true false