<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="generator" content="Docutils 0.5: http://docutils.sourceforge.net/" /> <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." /> <meta name="date" content="2006-09-11" /> <meta name="copyright" content="Copyright David Abrahams, Jeremy Siek, and Thomas Witt 2004." /> <link rel="stylesheet" href="../../../rst.css" type="text/css" /> </head> <body> <div class="document" id="iterator-concepts"> <h1 class="title">Iterator Concepts</h1> <table class="docinfo" frame="void" rules="none"> <col class="docinfo-name" /> <col class="docinfo-content" /> <tbody valign="top"> <tr><th class="docinfo-name">Author:</th> <td>David Abrahams, Jeremy Siek, Thomas Witt</td></tr> <tr><th class="docinfo-name">Contact:</th> <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> <tr><th class="docinfo-name">Organization:</th> <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> <tr><th class="docinfo-name">Date:</th> <td>2006-09-11</td></tr> <tr><th class="docinfo-name">Copyright:</th> <td>Copyright David Abrahams, Jeremy Siek, and Thomas Witt 2004.</td></tr> </tbody> </table> <!-- 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) --> <table class="docutils field-list" frame="void" rules="none"> <col class="field-name" /> <col class="field-body" /> <tbody valign="top"> <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> </tr> </tbody> </table> <p>For an introduction to using concept checking classes, see 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> <ul class="simple"> <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> </ul> </div> <div class="section" id="iterator-traversal-concepts"> <h2>Iterator Traversal Concepts</h2> <ul class="simple"> <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> </ul> </div> <div class="section" id="iterator-concepts-hpp-synopsis"> <h2><tt class="docutils literal"><span class="pre">iterator_concepts.hpp</span></tt> Synopsis</h2> <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; } </pre> </div> </div> </div> <div class="footer"> <hr class="footer" /> <a class="reference external" href="iterator_concepts.rst">View document source</a>. 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