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Standard Template Library Programmer's Guide
(document number: 007-3426-004 / published: 1999-05-21)    table of contents  |  additional info  |  download
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forward_iterator_tag

Category: iterators	Component type: type

Description

Forward_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 Forward 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 forward_iterator_tag if its argument is a Forward 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, output_iterator_tag, input_iterator_tag, bidirectional_iterator_tag, random_access_iterator_tag

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Copyright © 1999 Silicon Graphics, Inc. All Rights Reserved. TrademarkInformation

Standard Template Library Programmer's Guide
(document number: 007-3426-004 / published: 1999-05-21)    table of contents  |  additional info  |  download

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