Defined in header <chrono> | ||
---|---|---|
class month; | (since C++20) | |
inline constexpr std::chrono::month January{1}; | (since C++20) | |
inline constexpr std::chrono::month February{2}; | (since C++20) | |
inline constexpr std::chrono::month March{3}; | (since C++20) | |
inline constexpr std::chrono::month April{4}; | (since C++20) | |
inline constexpr std::chrono::month May{5}; | (since C++20) | |
inline constexpr std::chrono::month June{6}; | (since C++20) | |
inline constexpr std::chrono::month July{7}; | (since C++20) | |
inline constexpr std::chrono::month August{8}; | (since C++20) | |
inline constexpr std::chrono::month September{9}; | (since C++20) | |
inline constexpr std::chrono::month October{10}; | (since C++20) | |
inline constexpr std::chrono::month November{11}; | (since C++20) | |
inline constexpr std::chrono::month December{12}; | (since C++20) |
The class month
represents a month in a year. Its normal range is [
1,
12]
, but it may hold any number in [
0,
255]
. Twelve named constants are predefined in the std::chrono
namespace for the twelve months of the year.
month
is a TriviallyCopyable StandardLayoutType.
constructs a month (public member function) |
|
increments or decrements the month (public member function) |
|
adds or subtracts a number of months (public member function) |
|
retrieves the stored month value (public member function) |
|
checks if the stored month value is in the normal range (public member function) |
(C++20) | compares two month values (function) |
(C++20) | performs arithmetic on month s (function) |
(C++20) | outputs a month into a stream (function template) |
(C++20) | parses a month from a stream according to the provided format (function template) |
(C++20) | formatting support for month (class template specialization) |
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