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Fixed base() to always return const&. Cleaned up iterator_adaptor

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specification of inheritance and base class parameters.


[SVN r21821]
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Dave Abrahams
2004-01-18 20:54:59 +00:00
parent 309f741588
commit b6068667c9
20 changed files with 121 additions and 134 deletions
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doc/new-iter-concepts.html
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@ -6,8 +6,8 @@
<meta name="generator" content="Docutils 0.3.1: http://docutils.sourceforge.net/" />
<title>New Iterator Concepts</title>
<meta name="author" content="David Abrahams, Jeremy Siek, Thomas Witt" />
<meta name="organization" content="Boost Consulting, Indiana University Open Systems Lab, University of Hanover Institute for Transport Railway Operation and Construction" />
<meta name="date" content="2004-01-15" />
<meta name="organization" content="Boost Consulting, Indiana University Open Systems Lab, Zephyr Associates, Inc." />
<meta name="date" content="2004-01-18" />
<meta name="copyright" content="Copyright David Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved" />
<link rel="stylesheet" href="default.css" type="text/css" />
</head>
@ -21,13 +21,12 @@
<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" href="mailto:dave&#64;boost-consulting.com">dave&#64;boost-consulting.com</a>, <a class="reference" href="mailto:jsiek&#64;osl.iu.edu">jsiek&#64;osl.iu.edu</a>, <a class="last reference" href="mailto:witt&#64;acm.org">witt&#64;acm.org</a></td></tr>
<td><a class="first reference" href="mailto:dave&#64;boost-consulting.com">dave&#64;boost-consulting.com</a>, <a class="reference" href="mailto:jsiek&#64;osl.iu.edu">jsiek&#64;osl.iu.edu</a>, <a class="last reference" href="mailto:witt&#64;styleadvisor.com">witt&#64;styleadvisor.com</a></td></tr>
<tr><th class="docinfo-name">Organization:</th>
<td><a class="first reference" href="http://www.boost-consulting.com">Boost Consulting</a>, Indiana University <a class="reference" href="http://www.osl.iu.edu">Open
Systems Lab</a>, University of Hanover <a class="last reference" href="http://www.ive.uni-hannover.de">Institute for
Transport Railway Operation and Construction</a></td></tr>
<td><a class="first reference" href="http://www.boost-consulting.com">Boost Consulting</a>, Indiana University <a class="reference" href="http://www.osl.iu.edu">Open Systems
Lab</a>, <a class="last reference" href="http://www.styleadvisor.com">Zephyr Associates, Inc.</a></td></tr>
<tr><th class="docinfo-name">Date:</th>
<td>2004-01-15</td></tr>
<td>2004-01-18</td></tr>
<tr class="field"><th class="docinfo-name">Number:</th><td class="field-body">This is a revised version of <a class="reference" href="http://anubis.dkuug.dk/jtc1/sc22/wg21/docs/papers/2003/n1550.html">n1550</a>=03-0133, which was
accepted for Technical Report 1 by the C++ standard
committee's library working group. This proposal is a
@ -190,11 +189,6 @@ made it). -DWA -->
standards conforming input iterator is allowed to have
a tag that is not input_iterator_tag but that
is convertible to input_iterator_tag? -JGS -->
<p>Note that as currently specified, <tt class="literal"><span class="pre">istreambuf_iterator</span></tt> doesn't
meet the Readable Iterator requirements because its <tt class="literal"><span class="pre">value_type</span></tt>
is not convertible to its <tt class="literal"><span class="pre">reference</span></tt> type. We believe this to
be a defect in the standard; it should be fixed by changing its
<tt class="literal"><span class="pre">reference</span></tt> type from <tt class="literal"><span class="pre">value_type&amp;</span></tt> to <tt class="literal"><span class="pre">value_type</span> <span class="pre">const&amp;</span></tt>.</p>
<div class="section" id="possible-but-not-proposed-changes-to-the-working-paper">
<h2><a class="toc-backref" href="#id3" name="possible-but-not-proposed-changes-to-the-working-paper">Possible (but not proposed) Changes to the Working Paper</a></h2>
<p>The extensions in this paper suggest several changes we might make