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std::chrono::month_day_last::month

From cppreference.com
 
 
Utilities library
Language support
Type support (basic types, RTTI)
Library feature-test macros (C++20)
Dynamic memory management
Program utilities
Coroutine support (C++20)
Variadic functions
Debugging support
(C++26)
Three-way comparison
(C++20)
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General utilities
Date and time
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Formatting library (C++20)
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Relational operators (deprecated in C++20)
Integer comparison functions
(C++20)(C++20)(C++20)   
(C++20)
Swap and type operations
(C++14)
(C++11)
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Common vocabulary types
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(C++11)
(C++17)
(C++23)
Elementary string conversions
(C++17)
(C++17)

 
 
 
constexpr std::chrono::month month() const noexcept;
(since C++20)

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

[edit] Return value

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

[edit] Example

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

Output:

true true