std::chrono::month_day_last::month

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Utilities library
General utilities
Date and time
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Relational operators (deprecated in C++20)
Integer comparison functions
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(C++23)
Elementary string conversions
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constexpr std::chrono::month month() const noexcept;
(since C++20)

Retrieves a copy of the std::chrono::month object stored in *this.

Return value

A copy of the std::chrono::month object stored in *this.

Example

#include <iostream>
#include <chrono>
using namespace std::chrono;
 
int main()
{
    std::cout << std::boolalpha;
 
    auto mdl {February/last}; // Last day of a February
    auto ymdl {year(2020)/mdl};
    std::cout << (year_month_day{ymdl} == 
                  year_month_day{February/29/2020}) << ' ';
    // Last day of the next month, in 2020
    mdl = {(mdl.month() + months(1))/last};
    ymdl = {year(2020)/mdl}; 
    std::cout << (year_month_day{ymdl} == 
                  year_month_day{March/31/2020}) << '\n';
}

Output:

true true