Showing content from https://cplusplus.com/time_get below:
class template
<locale>
std::time_get
template <class charT, class InputIterator = istreambuf_iterator<charT> > class time_get;
Facet to parse dates and times
The time_get standard facet parses sequences of characters to read date and time information and stores it into a tm structure.
The time_get class template has a protected destructor: Programs shall only construct objects of derived classes, or use those installed in locale objects (through use_facet).
All standard locale objects support at least the following facet instantiations of the time_get class template (as part of the time category):
facets in locale objects notes time_get<char> narrow characters, for use with istream iterators time_get<wchar_t> wide characters, for use with wistream iterators
Template parameters
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charT
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Character type: the type of the characters in the sequence to interpret.
Aliased as member char_type.
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InputIterator
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Input iterator type that points to the elements in the character sequence to interpret.
Defaults to istreambuf_iterator, which is an iterator that can be implicitly converted from basic_istream objects.
Aliased as member iter_type.
Member types member type definition description char_type The first template parameter (charT) Character type iter_type The second template parameter (InputIterator) Iterator type.
Defaults to istreambuf_iterator<charT> The class also inherits time_base::dateorder, which is used as the return type for member date_order.
Member constants The following member constants are inherited from time_base (as labels of enum type time_base::dateorder); They are used as return values by certain member functions.
member constant type value description no_order time_base::dateorder 0 No specific order, or format contains variable components other than day, month and year. dmy time_base::dateorder 1 day, month, year mdy time_base::dateorder 2 month, day, year ymd time_base::dateorder 3 year, month, day ydm time_base::dateorder 4 year, day, month
The class also contains a public static constant of type locale::id, that uniquely identifies facets with time_get semantics.
Public member functions
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(constructor)
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time_get constructor (public member function)
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date_order
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Return date order (public member function)
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get_time
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Read time (public member function)
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get_date
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Read date (public member function)
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get_weekday
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Read weekday (public member function)
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get_monthname
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Read month name (public member function)
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get_year
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Read year (public member function)
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get
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Read time and date (public member function)
Virtual protected member functions The class defines the virtual protected members which implement the behavior by default of their respective public member functions:
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do_date_order
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Return date order [virtual] (protected virtual member function)
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do_get_time
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Read time [virtual] (protected virtual member function)
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do_get_date
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Read date [virtual] (protected virtual member function)
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do_get_weekday
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Read weekday [virtual] (protected virtual member function)
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do_get_monthname
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Read month name [virtual] (protected virtual member function)
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do_get_year
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Read year [virtual] (protected virtual member function)
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do_get
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Read time and date [virtual] (protected virtual member function)
Along with the class destructor:
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(destructor)
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time_get destructor (protected member function)
Specializations At least the following specializations and partial specializations of this template are provided in all library implementations:
specialization time_get<char> time_get<wchar_t> template <class InputIterator> time_get<char,InputIterator> template <class InputIterator> time_get<wchar_t,InputIterator>
Where InputIterator shall be a type that satisfies the requirements of an input iterator able to iterate over elements of the specified character type.
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