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changed the stuff about iterator_category in reverse_iterator to match

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the language we decided on for filter_iterator


[SVN r21687]
This commit is contained in:
Jeremy Siek
2004-01-13 18:17:27 +00:00
parent c6a5b7c292
commit ea3baba376
3 changed files with 23 additions and 45 deletions
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doc/reverse_iterator.html
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@ -80,20 +80,13 @@ private:
Iterator m_iterator; // exposition
};
</pre>
<p>The <tt class="literal"><span class="pre">iterator_category</span></tt> member is a type convertible to the iterator
tag given by the following algorithm. Let <tt class="literal"><span class="pre">T</span></tt> be
<tt class="literal"><span class="pre">iterator_traits&lt;Iterator&gt;::value_type</span></tt>, <tt class="literal"><span class="pre">R</span></tt> be
<tt class="literal"><span class="pre">iterator_traits&lt;Iterator&gt;::reference</span></tt>, and <tt class="literal"><span class="pre">C</span></tt> be
<tt class="literal"><span class="pre">traveral_category&lt;Iterator&gt;::type</span></tt>.</p>
<pre class="literal-block">
if (R is a reference to T) then
if (C is convertible to random_access_traversal_tag) then
random_access_iterator_tag
else
bidirectional_iterator_tag
else
input_iterator_tag
</pre>
<p>If <tt class="literal"><span class="pre">Iterator</span></tt> models Random Access Traversal Iterator and Readable
Lvalue Iterator, then <tt class="literal"><span class="pre">iterator_category</span></tt> is convertible to
<tt class="literal"><span class="pre">random_access_iterator_tag</span></tt>. Otherwise, if
<tt class="literal"><span class="pre">Iterator</span></tt> models Bidirectional Traversal Iterator and Readable
Lvalue Iterator, then <tt class="literal"><span class="pre">iterator_category</span></tt> is convertible to
<tt class="literal"><span class="pre">bidirectional_iterator_tag</span></tt>. Otherwise, <tt class="literal"><span class="pre">iterator_category</span></tt> is
convertible to <tt class="literal"><span class="pre">input_iterator_tag</span></tt>.</p>
</div>
<div class="section" id="reverse-iterator-requirements">
<h1><a class="toc-backref" href="#id3" name="reverse-iterator-requirements"><tt class="literal"><span class="pre">reverse_iterator</span></tt> requirements</a></h1>
@ -276,7 +269,7 @@ sequence in double-reversed (normal) order: hello world!
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<a class="reference" href="reverse_iterator.rst">View document source</a>.
Generated on: 2004-01-13 14:26 UTC.
Generated on: 2004-01-13 18:15 UTC.
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