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added make_xxx functions for some of the iterators

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[SVN r21611]
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Jeremy Siek
2004-01-12 01:30:47 +00:00
parent c6814925ac
commit 45b6a92f61
22 changed files with 626 additions and 1729 deletions
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doc/transform_iterator.html
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@ -7,8 +7,8 @@
<title>Transform Iterator</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="2003-08-05" />
<meta name="copyright" content="Copyright Dave Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved" />
<meta name="date" content="2003-09-14" />
<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>
<body>
@ -27,9 +27,9 @@
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>
<tr><th class="docinfo-name">Date:</th>
<td>2003-08-05</td></tr>
<td>2003-09-14</td></tr>
<tr><th class="docinfo-name">Copyright:</th>
<td>Copyright Dave Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved</td></tr>
<td>Copyright David Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved</td></tr>
</tbody>
</table>
<table class="field-list" frame="void" rules="none">
@ -53,8 +53,9 @@ then returns the result.</p>
<li><a class="reference" href="#transform-iterator-private-operations" id="id3" name="id3"><tt class="literal"><span class="pre">transform_iterator</span></tt> private operations</a></li>
</ul>
</div>
<!-- Version 1.3 of this document was accepted for TR1 -->
<pre class="literal-block">
template &lt;class AdaptableUnaryFunction,
template &lt;class UnaryFunction,
class Iterator,
class Reference = use_default,
class Value = use_default&gt;
@ -64,44 +65,44 @@ class transform_iterator
friend class iterator_core_access;
public:
transform_iterator();
transform_iterator(Iterator const&amp; x, AdaptableUnaryFunction f);
transform_iterator(Iterator const&amp; x, UnaryFunction f);
template&lt;class OtherIterator, class R2, class V2&gt;
template&lt;class F2, class I2, class R2, class V2&gt;
transform_iterator(
transform_iterator&lt;AdaptableUnaryFunction, OtherIterator, R2, V2&gt; const&amp; t
, typename enable_if_convertible&lt;OtherIterator, Iterator&gt;::type* = 0 // exposition
transform_iterator&lt;F2, I2, R2, V2&gt; const&amp; t
, typename enable_if_convertible&lt;I2, Iterator&gt;::type* = 0 // exposition
, typename enable_if_convertible&lt;F2, UnaryFunction&gt;::type* = 0 // exposition
);
AdaptableUnaryFunction functor() const;
UnaryFunction functor() const;
private:
typename transform_iterator::value_type dereference() const;
AdaptableUnaryFunction m_f;
UnaryFunction m_f;
};
</pre>
<div class="section" id="transform-iterator-requirements">
<h1><a class="toc-backref" href="#id1" name="transform-iterator-requirements"><tt class="literal"><span class="pre">transform_iterator</span></tt> requirements</a></h1>
<p>The type <tt class="literal"><span class="pre">AdaptableUnaryFunction</span></tt> must be Assignable, Copy
Constructible, and the expression <tt class="literal"><span class="pre">f(x)</span></tt> must be valid where <tt class="literal"><span class="pre">f</span></tt>
is an object of type <tt class="literal"><span class="pre">AdaptableUnaryFunction</span></tt>, <tt class="literal"><span class="pre">x</span></tt> is an object of
type <tt class="literal"><span class="pre">AdaptableUnaryFunction::argument_type</span></tt>, and where the type of
<tt class="literal"><span class="pre">f(x)</span></tt> must be <tt class="literal"><span class="pre">AdaptableUnaryFunction::result_type</span></tt>.</p>
<p>The type <tt class="literal"><span class="pre">UnaryFunction</span></tt> must be Assignable, Copy Constructible, and
the expression <tt class="literal"><span class="pre">f(*i)</span></tt> must be valid where <tt class="literal"><span class="pre">f</span></tt> is an object of
type <tt class="literal"><span class="pre">UnaryFunction</span></tt>, <tt class="literal"><span class="pre">i</span></tt> is an object of type <tt class="literal"><span class="pre">Iterator</span></tt>, and
where the type of <tt class="literal"><span class="pre">f(*i)</span></tt> must be
<tt class="literal"><span class="pre">result_of&lt;UnaryFunction(iterator_traits&lt;Iterator&gt;::reference)&gt;::type</span></tt>.</p>
<p>The type <tt class="literal"><span class="pre">Iterator</span></tt> must at least model Readable Iterator. The
resulting <tt class="literal"><span class="pre">transform_iterator</span></tt> models the most refined of the
following options that is also modeled by <tt class="literal"><span class="pre">Iterator</span></tt>.</p>
<blockquote>
<ul class="simple">
<li>Writable Lvalue Iterator if the <tt class="literal"><span class="pre">result_type</span></tt> of the
<tt class="literal"><span class="pre">AdaptableUnaryFunction</span></tt> is a non-const reference.</li>
<li>Readable Lvalue Iterator if the <tt class="literal"><span class="pre">result_type</span></tt> is a const
<li>Writable Lvalue Iterator if <tt class="literal"><span class="pre">result_of&lt;UnaryFunction(iterator_traits&lt;Iterator&gt;::reference)&gt;::type</span></tt> is a non-const reference.</li>
<li>Readable Lvalue Iterator if <tt class="literal"><span class="pre">result_of&lt;UnaryFunction(iterator_traits&lt;Iterator&gt;::reference)&gt;::type</span></tt> is a const
reference.</li>
<li>Readable Iterator otherwise.</li>
</ul>
</blockquote>
<p>The <tt class="literal"><span class="pre">transform_iterator</span></tt> models the most refined standard traversal
concept that is modeled by <tt class="literal"><span class="pre">Iterator</span></tt>.</p>
<p>The <tt class="literal"><span class="pre">value_type</span></tt> of <tt class="literal"><span class="pre">transform_iterator</span></tt> is
<tt class="literal"><span class="pre">remove_reference&lt;result_type&gt;::type</span></tt>. The <tt class="literal"><span class="pre">reference</span></tt> type is
<tt class="literal"><span class="pre">result_type</span></tt>.</p>
<p>The <tt class="literal"><span class="pre">reference</span></tt> type of <tt class="literal"><span class="pre">transform_iterator</span></tt> is
<tt class="literal"><span class="pre">result_of&lt;UnaryFunction(iterator_traits&lt;Iterator&gt;::reference)&gt;::type</span></tt>.
The <tt class="literal"><span class="pre">value_type</span></tt> is <tt class="literal"><span class="pre">remove_cv&lt;remove_reference&lt;reference&gt;</span> <span class="pre">&gt;::type</span></tt>.</p>
</div>
<div class="section" id="transform-iterator-public-operations">
<h1><a class="toc-backref" href="#id2" name="transform-iterator-public-operations"><tt class="literal"><span class="pre">transform_iterator</span></tt> public operations</a></h1>
@ -115,7 +116,7 @@ and <tt class="literal"><span class="pre">m_iterator</span></tt> default constru
</tr>
</tbody>
</table>
<p><tt class="literal"><span class="pre">transform_iterator(Iterator</span> <span class="pre">const&amp;</span> <span class="pre">x,</span> <span class="pre">AdaptableUnaryFunction</span> <span class="pre">f);</span></tt></p>
<p><tt class="literal"><span class="pre">transform_iterator(Iterator</span> <span class="pre">const&amp;</span> <span class="pre">x,</span> <span class="pre">UnaryFunction</span> <span class="pre">f);</span></tt></p>
<table class="field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
@ -128,7 +129,7 @@ initialized to <tt class="literal"><span class="pre">f</span></tt> and <tt class
<pre class="literal-block">
template&lt;class OtherIterator, class R2, class V2&gt;
transform_iterator(
transform_iterator&lt;AdaptableUnaryFunction, OtherIterator, R2, V2&gt; const&amp; t
transform_iterator&lt;UnaryFunction, OtherIterator, R2, V2&gt; const&amp; t
, typename enable_if_convertible&lt;OtherIterator, Iterator&gt;::type* = 0 // exposition
);
</pre>
@ -142,7 +143,7 @@ transform_iterator(
</tr>
</tbody>
</table>
<p><tt class="literal"><span class="pre">AdaptableUnaryFunction</span> <span class="pre">functor()</span> <span class="pre">const;</span></tt></p>
<p><tt class="literal"><span class="pre">UnaryFunction</span> <span class="pre">functor()</span> <span class="pre">const;</span></tt></p>
<table class="field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />