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< title > Iterator Concepts</ title >
< meta name = "author" content = "David Abrahams, Jeremy Siek, Thomas Witt" />
< meta name = "organization" content = "Boost Consulting, Indiana University Open Systems Lab, Zephyr Associates, Inc." />
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< meta name = "date" content = "2006-09-11" />
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< meta name = "copyright" content = "Copyright David Abrahams, Jeremy Siek, and Thomas Witt 2004." />
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< div class = "document" id = "iterator-concepts" >
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< h1 class = "title" > Iterator Concepts</ h1 >
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< tr >< th class = "docinfo-name" > Author:</ th >
< td > David Abrahams, Jeremy Siek, Thomas Witt</ td ></ tr >
< tr >< th class = "docinfo-name" > Contact:</ th >
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< td >< a class = "first reference external" href = "mailto:dave@boost-consulting.com" > dave@ boost-consulting.com</ a > , < a class = "reference external" href = "mailto:jsiek@osl.iu.edu" > jsiek@ osl.iu.edu</ a > , < a class = "last reference external" href = "mailto:witt@styleadvisor.com" > witt@ styleadvisor.com</ a ></ td ></ tr >
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< tr >< th class = "docinfo-name" > Organization:</ th >
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< td >< a class = "first reference external" href = "http://www.boost-consulting.com" > Boost Consulting</ a > , Indiana University < a class = "reference external" href = "http://www.osl.iu.edu" > Open Systems
Lab</ a > , < a class = "last reference external" href = "http://www.styleadvisor.com" > Zephyr Associates, Inc.</ a ></ td ></ tr >
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< tr >< th class = "docinfo-name" > Date:</ th >
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< td > 2006-09-11</ td ></ tr >
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< tr >< th class = "docinfo-name" > Copyright:</ th >
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< td > Copyright David Abrahams, Jeremy Siek, and Thomas Witt 2004.</ td ></ tr >
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<!-- Distributed under the Boost -->
<!-- Software License, Version 1.0. (See accompanying -->
<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
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< tr class = "field" >< th class = "field-name" > abstract:</ th >< td class = "field-body" > The iterator concept checking classes provide a mechanism for
a template to report better error messages when a user instantiates
the template with a type that does not meet the requirements of
the template.</ td >
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< p > For an introduction to using concept checking classes, see
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the documentation for the < a class = "reference external" href = "../../concept_check/index.html" >< tt class = "docutils literal" >< span class = "pre" > boost::concept_check</ span ></ tt ></ a > library.</ p >
< div class = "section" id = "reference" >
< h1 > Reference</ h1 >
< div class = "section" id = "iterator-access-concepts" >
< h2 > Iterator Access Concepts</ h2 >
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< ul class = "simple" >
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< li >< a class = "reference external" href = "ReadableIterator.html" >< em > Readable Iterator</ em ></ a ></ li >
< li >< a class = "reference external" href = "WritableIterator.html" >< em > Writable Iterator</ em ></ a ></ li >
< li >< a class = "reference external" href = "SwappableIterator.html" >< em > Swappable Iterator</ em ></ a ></ li >
< li >< a class = "reference external" href = "LvalueIterator.html" >< em > Lvalue Iterator</ em ></ a ></ li >
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</ ul >
</ div >
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< div class = "section" id = "iterator-traversal-concepts" >
< h2 > Iterator Traversal Concepts</ h2 >
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< ul class = "simple" >
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< li >< a class = "reference external" href = "IncrementableIterator.html" >< em > Incrementable Iterator</ em ></ a ></ li >
< li >< a class = "reference external" href = "SinglePassIterator.html" >< em > Single Pass Iterator</ em ></ a ></ li >
< li >< a class = "reference external" href = "ForwardTraversal.html" >< em > Forward Traversal</ em ></ a ></ li >
< li >< a class = "reference external" href = "BidirectionalTraversal.html" >< em > Bidirectional Traversal</ em ></ a ></ li >
< li >< a class = "reference external" href = "RandomAccessTraversal.html" >< em > Random Access Traversal</ em ></ a ></ li >
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</ ul >
</ div >
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< div class = "section" id = "iterator-concepts-hpp-synopsis" >
< h2 >< tt class = "docutils literal" >< span class = "pre" > iterator_concepts.hpp</ span ></ tt > Synopsis</ h2 >
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< pre class = "literal-block" >
namespace boost_concepts {
// Iterator Access Concepts
template < typename Iterator>
class ReadableIteratorConcept;
template <
typename Iterator
, typename ValueType = std::iterator_traits< Iterator> ::value_type
>
class WritableIteratorConcept;
template < typename Iterator>
class SwappableIteratorConcept;
template < typename Iterator>
class LvalueIteratorConcept;
// Iterator Traversal Concepts
template < typename Iterator>
class IncrementableIteratorConcept;
template < typename Iterator>
class SinglePassIteratorConcept;
template < typename Iterator>
class ForwardTraversalConcept;
template < typename Iterator>
class BidirectionalTraversalConcept;
template < typename Iterator>
class RandomAccessTraversalConcept;
// Interoperability
template < typename Iterator, typename ConstIterator>
class InteroperableIteratorConcept;
}
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