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7 | <title>The MPL Reference Manual: Integral Sequence Wrapper</title> | |
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10 | <body class="docframe refmanual"> | |
11 | <table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./extensible-associative-sequence.html" class="navigation-link">Prev</a> <a href="./variadic-sequence.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./extensible-associative-sequence.html" class="navigation-link">Back</a> <a href="./variadic-sequence.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./concepts.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> | |
12 | <td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./sequences.html" class="navigation-link">Sequences</a> / <a href="./concepts.html" class="navigation-link">Concepts</a> / <a href="./integral-sequence-wrapper.html" class="navigation-link">Integral Sequence Wrapper</a></td> | |
13 | </tr></table><div class="header-separator"></div> | |
14 | <div class="section" id="integral-sequence-wrapper"> | |
15 | <h1><a class="toc-backref" href="./concepts.html#id1403">Integral Sequence Wrapper</a></h1> | |
16 | <div class="section" id="id40"> | |
17 | <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> | |
18 | <p>An <a class="reference internal" href="./integral-sequence-wrapper.html">Integral Sequence Wrapper</a> is a class template that provides a concise | |
19 | interface for creating a corresponding sequence of <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s. In | |
20 | particular, assuming that <tt class="literal"><span class="pre">seq</span></tt> is a name of the wrapper's underlying | |
21 | sequence and <em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub> are integral constants of an integral type <tt class="literal"><span class="pre">T</span></tt> to | |
22 | be stored in the sequence, the wrapper provides us with the following | |
23 | notation:</p> | |
24 | <blockquote> | |
25 | <div class="line-block"> | |
26 | <div class="line"><tt class="literal"><span class="pre">seq_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt></div> | |
27 | </div> | |
28 | </blockquote> | |
29 | <p>If <tt class="literal"><span class="pre">seq</span></tt> is a <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>, <em>numbered</em> wrapper forms are | |
30 | also avaialable:</p> | |
31 | <blockquote> | |
32 | <div class="line-block"> | |
33 | <div class="line"><tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre">_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt></div> | |
34 | </div> | |
35 | </blockquote> | |
36 | </div> | |
37 | <div class="section" id="id41"> | |
38 | <h3><a class="subsection-title" href="#expression-requirements" name="expression-requirements">Expression requirements</a></h3> | |
39 | <p>In the following table and subsequent specifications, <tt class="literal"><span class="pre">seq</span></tt> is a placeholder token for the | |
40 | <a class="reference internal" href="./integral-sequence-wrapper.html">Integral Sequence Wrapper</a>'s underlying sequence's name.</p> | |
41 | <table border="1" class="docutils table"> | |
42 | <colgroup> | |
43 | <col width="38%" /> | |
44 | <col width="28%" /> | |
45 | <col width="33%" /> | |
46 | </colgroup> | |
47 | <thead valign="bottom"> | |
48 | <tr><th class="head">Expression</th> | |
49 | <th class="head">Type</th> | |
50 | <th class="head">Complexity</th> | |
51 | </tr> | |
52 | </thead> | |
53 | <tbody valign="top"> | |
54 | <tr><td><tt class="literal"><span class="pre">seq_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt></td> | |
55 | <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> | |
56 | <td>Amortized constant time.</td> | |
57 | </tr> | |
58 | <tr><td><tt class="literal"><span class="pre">seq_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">>::type</span></tt></td> | |
59 | <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> | |
60 | <td>Amortized constant time.</td> | |
61 | </tr> | |
62 | <tr><td><tt class="literal"><span class="pre">seq_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">>::<a href="./value-type.html" class="identifier">value_type</a></span></tt></td> | |
63 | <td>An integral type</td> | |
64 | <td>Amortized constant time.</td> | |
65 | </tr> | |
66 | <tr><td><tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre">_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt></td> | |
67 | <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> | |
68 | <td>Amortized constant time.</td> | |
69 | </tr> | |
70 | <tr><td><tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre">_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">>::type</span></tt></td> | |
71 | <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> | |
72 | <td>Amortized constant time.</td> | |
73 | </tr> | |
74 | <tr><td><tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre">_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">>::<a href="./value-type.html" class="identifier">value_type</a></span></tt></td> | |
75 | <td>An integral type</td> | |
76 | <td>Amortized constant time.</td> | |
77 | </tr> | |
78 | </tbody> | |
79 | </table> | |
80 | </div> | |
81 | <div class="section" id="id42"> | |
82 | <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> | |
83 | <pre class="literal-block"> | |
84 | typedef seq_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>> s; | |
85 | typedef seq<em>n</em>_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>> s; | |
86 | </pre> | |
87 | <table class="docutils field-list" frame="void" rules="none"> | |
88 | <col class="field-name" /> | |
89 | <col class="field-body" /> | |
90 | <tbody valign="top"> | |
91 | <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><tt class="literal"><span class="pre">s</span></tt> is a sequence <tt class="literal"><span class="pre">seq</span></tt> of integral constant wrappers <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>1</sub><tt class="literal"><span class="pre">></span></tt>, | |
92 | <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>2</sub><tt class="literal"><span class="pre">></span></tt>, ... <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt>.</td> | |
93 | </tr> | |
94 | <tr class="field"><th class="field-name">Postcondition:</th><td class="field-body"><tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span> <span class="pre">==</span> <span class="pre">n</span></tt>.<!-- .. parsed-literal:: | |
95 | ||
96 | BOOST_MPL_ASSERT_RELATION(( at_c<v,0>::type::value,==,\ |c1| )); | |
97 | BOOST_MPL_ASSERT_RELATION(( at_c<v,1>::type::value,==,\ |c2| )); | |
98 | ... | |
99 | BOOST_MPL_ASSERT_RELATION(( at_c<v,\ *n*>::type::value,==,\ |cn| )); --> | |
100 | </td> | |
101 | </tr> | |
102 | </tbody> | |
103 | </table> | |
104 | <!-- .......................................................................... --> | |
105 | <pre class="literal-block"> | |
106 | typedef seq_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>>::type s; | |
107 | typedef seq<em>n</em>_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>>::type s; | |
108 | </pre> | |
109 | <table class="docutils field-list" frame="void" rules="none"> | |
110 | <col class="field-name" /> | |
111 | <col class="field-body" /> | |
112 | <tbody valign="top"> | |
113 | <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><tt class="literal"><span class="pre">s</span></tt> is identical to | |
114 | <tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre"><</span></tt><tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>1</sub><tt class="literal"><span class="pre">></span></tt>,<tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>2</sub><tt class="literal"><span class="pre">></span></tt>, | |
115 | ... <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt> <tt class="literal"><span class="pre">></span></tt>.</td> | |
116 | </tr> | |
117 | </tbody> | |
118 | </table> | |
119 | <!-- .......................................................................... --> | |
120 | <pre class="literal-block"> | |
121 | typedef seq_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>>::<a href="./value-type.html" class="identifier">value_type</a> t; | |
122 | typedef seq<em>n</em>_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>>::<a href="./value-type.html" class="identifier">value_type</a> t; | |
123 | </pre> | |
124 | <table class="docutils field-list" frame="void" rules="none"> | |
125 | <col class="field-name" /> | |
126 | <col class="field-body" /> | |
127 | <tbody valign="top"> | |
128 | <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><tt class="literal"><span class="pre">is_same<t,T>::value</span> <span class="pre">==</span> <span class="pre">true</span></tt>.</td> | |
129 | </tr> | |
130 | </tbody> | |
131 | </table> | |
132 | </div> | |
133 | <div class="section" id="id43"> | |
134 | <h3><a class="subsection-title" href="#models" name="models">Models</a></h3> | |
135 | <ul class="simple"> | |
136 | <li><a class="reference internal" href="./vector-c.html">vector_c</a></li> | |
137 | <li><a class="reference internal" href="./list-c.html">list_c</a></li> | |
138 | <li><a class="reference internal" href="./set-c.html">set_c</a></li> | |
139 | </ul> | |
140 | </div> | |
141 | <div class="section" id="id44"> | |
142 | <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> | |
143 | <p><a class="reference internal" href="./sequences.html">Sequences</a>, <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>, <a class="reference internal" href="./integral-constant.html">Integral Constant</a></p> | |
144 | <!-- Sequences/Concepts//Variadic Sequence |100 --> | |
145 | </div> | |
146 | </div> | |
147 | ||
148 | <div class="footer-separator"></div> | |
149 | <table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./extensible-associative-sequence.html" class="navigation-link">Prev</a> <a href="./variadic-sequence.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./extensible-associative-sequence.html" class="navigation-link">Back</a> <a href="./variadic-sequence.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./concepts.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> | |
150 | <td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> | |
151 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
152 | file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body> | |
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