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major update wrt. new range concepts

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[SVN r40962]
This commit is contained in:
Thorsten Jørgen Ottosen
2007-11-09 10:27:42 +00:00
parent 68a63cab85
commit 93deddde63
8 changed files with 393 additions and 344 deletions
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doc/utility_class.html
+7 -12
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@@ -59,19 +59,16 @@ corresponding <code>const_iterator</code> is. </p>
<p>
If the template argument is not a model of Forward Traversal Iterator, one can
still use a subset of the interface. In particular, <code>size()</code> requires
Forward Traversal Iterators whereas <code>empty()</code> only requires Single
Random Access Iterators whereas <code>empty()</code> only requires Single
Pass Iterators.
</p>
<p>
Recall that many default constructed iterators
are <i>singular</i> and hence can only be assigned, but not compared or
incremented or anything. However, if one creates a default constructed
<code>iterator_range</code>, then one
can still call all its member functions. This means that the
<code>iterator_range</code> will still be usable in many contexts even
though the iterators underneath are not.
</p>
incremented or anything. Likewise, if one creates a default constructed
<code>iterator_range</code>, then one have to be careful about not doing
anything besides copying. </p>
<h3>Synopsis</h3>
@@ -82,9 +79,6 @@ corresponding <code>const_iterator</code> is. </p>
</span><span class=keyword>class </span><span class=identifier>iterator_range
</span><span class=special>{
</span><span class=keyword>public</span><span class=special>: </span><span class=comment>// Forward Range types
</span><span class=keyword>typedef </span><span class=special>... </span><span class=identifier>value_type</span><span class=special>;
</span><span class=keyword>typedef </span><span class=special>... </span><span class=identifier>difference_type</span><span class=special>;
</span><span class=keyword>typedef </span><span class=special>... </span><span class=identifier>size_type</span><span class=special>;
</span><span class=keyword>typedef </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>iterator</span><span class=special>;
</span><span class=keyword>typedef </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>const_iterator</span><span class=special>;
@@ -117,10 +111,11 @@ class=identifier><a href="#equal">equal</a></span><span
class=special>( </span><span class=keyword>const <span
class=identifier>iterator_range</span><span class=special>& ) </span><span
class=keyword>const;</span>
<span class=identifier>value_type</span><span class=special>&amp; </span><span class=identifier>front</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
<span class=identifier>value_type</span><span class=special>&amp; </span><span class=identifier>back</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
<span class=identifier>reference</span><span class=identifier>front</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
<span class=identifier>reference </span><span class=identifier>back</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
<span class=comment>// for Random Access Range only: </span>
<span class=identifier>value_type</span><span class=special>&amp; </span><span class=keyword>operator</span><span class=special>[]( </span><span class=identifier>size_type </span><span class=identifier>at </span><span class=special>) </span><span class=keyword>const</span><span class=special>;</span>
<span class=identifier>value_type</span>cial>&amp; </span><span class=keyword>operator</span><span class=special>()( </span><span class=identifier>size_type </span><span class=identifier>at </span><span class=special>) </span><span class=keyword>const</span><span class=special>;</span>
</span><span class=special>};
</span><span class=comment>// stream output