output_iterator_tag
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| Category: iterators |
Component type: type |
Description
Output_iterator_tag is an empty class: it has no member functions,
member variables, or nested types. It is used solely as a "tag": a
representation of the Output Iterator concept within the C++ type
system. Specifically, it is used as a return value for the function
iterator_category. Iterator_category takes a single
argument, an iterator, and returns an object whose type depends on the
iterator's category. Iterator_category's return value is of
type output_iterator_tag if its argument is an Output Iterator.
Example
See iterator_category
Definition
Defined in the standard header iterator, and in the
nonstandard backward-compatibility header iterator.h.
Template parameters
None.
Model of
Assignable
Type requirements
None.
Public base classes
None.
Members
None.
New Members
None.
Notes
See also
iterator_category, Iterator Tags,
iterator_traits,
input_iterator_tag,
forward_iterator_tag, bidirectional_iterator_tag,
random_access_iterator_tag