1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>Struct template impl</title>
<link rel="stylesheet" href="../../../boostbook.css" type="text/css">
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
<link rel="home" href="../../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset">
<link rel="up" href="../lazy.html#id1673119" title="Description">
<link rel="prev" href="../transform_impl.html" title="Struct template transform_impl">
<link rel="next" href="../noinvoke.html" title="Struct template noinvoke">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table cellpadding="2" width="100%"><tr>
<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td>
<td align="center"><a href="../../../../../index.html">Home</a></td>
<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td>
<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
<td align="center"><a href="../../../../../more/index.htm">More</a></td>
</tr></table>
<hr>
<div class="spirit-nav">
<a accesskey="p" href="../transform_impl.html"><img src="../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../lazy.html#id1673119"><img src="../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="../noinvoke.html"><img src="../../../../../doc/html/images/next.png" alt="Next"></a>
</div>
<div class="refentry" title="Struct template impl">
<a name="boost.proto.lazy.impl"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Struct template impl</span></h2>
<p>boost::proto::lazy::impl</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="emphasis"><em>// In header: <<a class="link" href="../../../proto/reference.html#header.boost.proto.transform.lazy_hpp" title="Header <boost/proto/transform/lazy.hpp>">boost/proto/transform/lazy.hpp</a>>
</em></span>
<span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> Expr, <span class="bold"><strong>typename</strong></span> State, <span class="bold"><strong>typename</strong></span> Data>
<span class="bold"><strong>struct</strong></span> <a class="link" href="impl.html" title="Struct template impl">impl</a> : <span class="bold"><strong></strong></span> <span class="type"><a class="link" href="../transform_impl.html" title="Struct template transform_impl">proto::transform_impl</a><Expr, State, Data></span> {
<span class="emphasis"><em>// <a class="link" href="impl.html#boost.proto.lazy.impltypes">types</a></em></span>
<span class="bold"><strong>typedef</strong></span> <em class="replaceable"><code>see-below</code></em> <a class="link" href="impl.html#boost.proto.lazy.impl.result_type">result_type</a>;
<span class="emphasis"><em>// <a class="link" href="impl.html#id1270269-bb">public member functions</a></em></span>
<span class="type">result_type</span> <a class="link" href="impl.html#id1270274-bb"><span class="bold"><strong>operator</strong></span>()</a>(<span class="bold"><strong>typename</strong></span> impl::expr_param,
<span class="bold"><strong>typename</strong></span> impl::state_param,
<span class="bold"><strong>typename</strong></span> impl::data_param) <span class="bold"><strong>const</strong></span>;
};</pre></div>
<div class="refsect1" title="Description">
<a name="id1673359"></a><h2>Description</h2>
<div class="refsect2" title="impl public types">
<a name="id1673363"></a><h3>
<a name="boost.proto.lazy.impltypes"></a><code class="computeroutput">impl</code>
public
types</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<p>
<span class="bold"><strong>typedef</strong></span> <em class="replaceable"><code>see-below</code></em> <a name="boost.proto.lazy.impl.result_type"></a>result_type;</p>
<p>
<code class="computeroutput"><a class="link" href="../lazy.html" title="Struct template lazy">proto::lazy</a><T>::impl<Expr,State,Data>::result_type</code>
is calculated as follows:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem"><p>
If <code class="computeroutput">T</code> if of the form
<code class="computeroutput">O(A<sub>0</sub>,...A<sub>n</sub>)</code>, then let <code class="computeroutput">O'</code>
be <code class="computeroutput">boost::result_of<<a class="link" href="../make.html" title="Struct template make">proto::make</a><O>(Expr, State, Data)>::type</code>
and let <code class="computeroutput">T'</code> be <code class="computeroutput">O'(A<sub>0</sub>,...A<sub>n</sub>)</code>.
</p></li>
<li class="listitem"><p>
Otherwise, let <code class="computeroutput">T'</code>
be <code class="computeroutput">boost::result_of<<a class="link" href="../make.html" title="Struct template make">proto::make</a><T>(Expr, State, Data)>::type</code>.
</p></li>
</ul></div>
<p>
</p>
<p>
The result type is
<code class="computeroutput">
boost::result_of<<a class="link" href="../call.html" title="Struct template call">proto::call</a><T'>(Expr, State, Data)>::type
</code>.
</p>
<p>
</p>
</li></ol></div>
</div>
<div class="refsect2" title="impl public member functions">
<a name="id1673536"></a><h3>
<a name="id1270269-bb"></a><code class="computeroutput">impl</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<pre class="literallayout"><span class="type">result_type</span> <a name="id1270274-bb"></a><span class="bold"><strong>operator</strong></span>()(<span class="bold"><strong>typename</strong></span> impl::expr_param expr,
<span class="bold"><strong>typename</strong></span> impl::state_param state,
<span class="bold"><strong>typename</strong></span> impl::data_param data) <span class="bold"><strong>const</strong></span>;</pre>
<p>
<code class="computeroutput"><code class="computeroutput"><a class="link" href="../lazy.html" title="Struct template lazy">proto::lazy</a></code><T>::impl<Expr,State,Data>::operator()</code> behaves as follows:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem"><p>
If <code class="computeroutput">T</code> if of the form
<code class="computeroutput">O(A<sub>0</sub>,...A<sub>n</sub>)</code>, then let <code class="computeroutput">O'</code>
be <code class="computeroutput">boost::result_of<<code class="computeroutput"><a class="link" href="../make.html" title="Struct template make">proto::make</a></code><O>(Expr, State, Data)>::type</code>
and let <code class="computeroutput">T'</code> be <code class="computeroutput">O'(A<sub>0</sub>,...A<sub>n</sub>)</code>.
</p></li>
<li class="listitem"><p>
Otherwise, let <code class="computeroutput">T'</code>
be <code class="computeroutput">boost::result_of<<code class="computeroutput"><a class="link" href="../make.html" title="Struct template make">proto::make</a></code><T>(Expr, State, Data)>::type</code>.
</p></li>
</ul></div>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term">Returns:</span></p></td>
<td><p>
<code class="computeroutput">
<a class="link" href="../call.html" title="Struct template call">proto::call</a><T'>()(expr, state, data)
</code>
</p></td>
</tr></tbody>
</table></div>
</li></ol></div>
</div>
</div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright © 2008 Eric Niebler<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
<hr>
<div class="spirit-nav">
<a accesskey="p" href="../transform_impl.html"><img src="../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../lazy.html#id1673119"><img src="../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="../noinvoke.html"><img src="../../../../../doc/html/images/next.png" alt="Next"></a>
</div>
</body>
</html>
|
