boost-react-native-bundle

<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> <title>The MPL Reference Manual: set</title> <link rel="stylesheet" href="../style.css" type="text/css" /> </head> <body class="docframe refmanual"> <table class="header"><tr class="header"><td class="header-group navigation-bar"><a href="./deque.html" class="navigation-link">Prev</a> <a href="./map.html" class="navigation-link">Next</a> | <a href="./deque.html" class="navigation-link">Back</a> <a href="./map.html" class="navigation-link">Along</a> | <a href="./classes.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a> | <a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></td> <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="./classes.html" class="navigation-link">Classes</a> / <a href="./set.html" class="navigation-link">set</a></td> </tr></table><div class="header-separator"></div> <div class="section" id="set"> <h1><a class="toc-backref" href="./classes.html#id1410">set</a></h1> <div class="section" id="id72"> <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> <tt class="literal"><a href="./set.html" class="identifier">set</a></tt> is a <a class="reference internal" href="./variadic-sequence.html">variadic</a>, <a class="reference internal" href="./associative-sequence.html">associative</a>, <a class="reference internal" href="./extensible-associative-sequence.html">extensible</a> sequence of types that supports constant-time insertion and removal of elements, and testing for membership. A <tt class="literal"><a href="./set.html" class="identifier">set</a></tt> may contain at most one element for each key. </div> <div class="section" id="id75"> <h3><a class="subsection-title" href="#header" name="header">Header</a></h3> <table border="1" class="docutils table"> <colgroup> <col width="26%" /> <col width="74%" /> </colgroup> <thead valign="bottom"> <tr><th class="head">Sequence form</th> <th class="head">Header</th> </tr> </thead> <tbody valign="top"> <tr><td>Variadic</td> <td><tt class="literal">#include <<a href="../../../../boost/mpl/set.hpp" class="header">boost/mpl/set.hpp</a>></tt></td> </tr> <tr><td>Numbered</td> <td><tt class="literal">#include <boost/mpl/set/set</tt>n<tt class="literal">.hpp></tt></td> </tr> </tbody> </table> </div> <div class="section" id="id76"> <h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3> <ul class="simple"> <li><a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a></li> <li><a class="reference internal" href="./associative-sequence.html">Associative Sequence</a></li> <li><a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a></li> </ul> </div> <div class="section" id="id77"> <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> In the following table, <tt class="literal">s</tt> is an instance of <tt class="literal"><a href="./set.html" class="identifier">set</a></tt>, <tt class="literal">pos</tt> is an iterator into <tt class="literal">s</tt>, and <tt class="literal">x</tt>, <tt class="literal">k</tt>, and t1,t2,... tn is a set of unique arbitrary types. [Note: See <a class="reference internal" href="./set.html#nonunique-set-example">below</a> for an example of how to construct a <tt class="literal"><a href="./set.html" class="identifier">set</a></tt> from a list of potentially non-unique types — end note] <table border="1" class="docutils table"> <colgroup> <col width="40%" /> <col width="60%" /> </colgroup> <thead valign="bottom"> <tr><th class="head">Expression</th> <th class="head">Semantics</th> </tr> </thead> <tbody valign="top"> <tr><td><pre class="first last literal-block"> <a href="./set.html" class="identifier">set</a><t1,t2,... tn> <a href="./set.html" class="identifier">set</a>n<t1,t2,... tn> </pre> </td> <td><tt class="literal"><a href="./set.html" class="identifier">set</a></tt> of elements t1,t2,... tn; see <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>.</td> </tr> <tr><td><pre class="first last literal-block"> <a href="./set.html" class="identifier">set</a><t1,t2,... tn>::type <a href="./set.html" class="identifier">set</a>n<t1,t2,... tn>::type </pre> </td> <td>Identical to <tt class="literal"><a href="./set.html" class="identifier">set</a></tt>n<tt class="literal"><</tt>t1,t2,... tn<tt class="literal">></tt>; see <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./begin.html" class="identifier">begin</a><s>::type</tt></td> <td>An iterator pointing to the beginning of <tt class="literal">s</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./end.html" class="identifier">end</a><s>::type</tt></td> <td>An iterator pointing to the end of <tt class="literal">s</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./size.html" class="identifier">size</a><s>::type</tt></td> <td>The size of <tt class="literal">s</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./empty.html" class="identifier">empty</a><s>::type</tt></td> <td>A boolean <a class="reference internal" href="./integral-constant.html">Integral Constant</a> <tt class="literal">c</tt> such that <tt class="literal">c::value == true</tt> if and only if <tt class="literal">s</tt> is empty; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./front.html" class="identifier">front</a><s>::type</tt></td> <td>The first element in <tt class="literal">s</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./has-key.html" class="identifier">has_key</a><s,k>::type</tt></td> <td>A boolean <a class="reference internal" href="./integral-constant.html">Integral Constant</a> <tt class="literal">c</tt> such that <tt class="literal">c::value == true</tt> if and only if there is one or more elements with the key <tt class="literal">k</tt> in <tt class="literal">s</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./count.html" class="identifier">count</a><s,k>::type</tt></td> <td>The number of elements with the key <tt class="literal">k</tt> in <tt class="literal">s</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./order.html" class="identifier">order</a><s,k>::type</tt></td> <td>A unique unsigned <a class="reference internal" href="./integral-constant.html">Integral Constant</a> associated with the key <tt class="literal">k</tt> in <tt class="literal">s</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><pre class="first last literal-block"> <a href="./at.html" class="identifier">at</a><s,k>::type <a href="./at.html" class="identifier">at</a><s,k,def>::type </pre> </td> <td>The element associated with the key <tt class="literal">k</tt> in <tt class="literal">s</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./key-type.html" class="identifier">key_type</a><s,x>::type</tt></td> <td>Identical to <tt class="literal">x</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./value-type.html" class="identifier">value_type</a><s,x>::type</tt></td> <td>Identical to <tt class="literal">x</tt>; see <a class="reference internal" href="./associative-sequence.html">Associative Sequence</a>.</td> </tr> <tr><td><tt class="literal"><a href="./insert.html" class="identifier">insert</a><s,x>::type</tt></td> <td>A new <tt class="literal"><a href="./set.html" class="identifier">set</a></tt> equivalent to <tt class="literal">s</tt> except that <pre class="literal-block"> <a href="./at.html" class="identifier">at</a>< t, <a href="./key-type.html" class="identifier">key_type</a><s,x>::type >::type </pre> is identical to <tt class="literal"><a href="./value-type.html" class="identifier">value_type</a><s,x>::type</tt>. </td> </tr> <tr><td><tt class="literal"><a href="./insert.html" class="identifier">insert</a><s,pos,x>::type</tt></td> <td>Equivalent to <tt class="literal"><a href="./insert.html" class="identifier">insert</a><s,x>::type</tt>; <tt class="literal">pos</tt> is ignored.</td> </tr> <tr><td><tt class="literal"><a href="./erase-key.html" class="identifier">erase_key</a><s,k>::type</tt></td> <td>A new <tt class="literal"><a href="./set.html" class="identifier">set</a></tt> equivalent to <tt class="literal">s</tt> except that <tt class="literal"><a href="./has-key.html" class="identifier">has_key</a><t, k>::value == false</tt>.</td> </tr> <tr><td><tt class="literal"><a href="./erase.html" class="identifier">erase</a><s,pos>::type</tt></td> <td>Equivalent to <tt class="literal"><a href="./erase.html" class="identifier">erase</a><s, <a href="./deref.html" class="identifier">deref</a><pos>::type >::type</tt>.</td> </tr> <tr><td><tt class="literal"><a href="./clear.html" class="identifier">clear</a><s>::type</tt></td> <td>An empty <tt class="literal"><a href="./set.html" class="identifier">set</a></tt>; see <a class="reference internal" href="./clear.html">clear</a>.</td> </tr> </tbody> </table> </div> <div class="section" id="id79"> <h3><a class="subsection-title" href="#example" name="example">Example</a></h3> Basic <tt class="literal"><a href="./set.html" class="identifier">set</a></tt> invariants: <pre class="literal-block"> typedef <a href="./set.html" class="identifier">set</a>< int,long,double,<a href="./int.html" class="identifier">int_</a><5> > s; <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a><s>::value, ==, 4 ); <a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( <a href="./empty.html" class="identifier">empty</a><s> )); <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./at.html" class="identifier">at</a><s,int>::type, int > )); <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./at.html" class="identifier">at</a><s,long>::type, long > )); <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./at.html" class="identifier">at</a><s,<a href="./int.html" class="identifier">int_</a><5> >::type, <a href="./int.html" class="identifier">int_</a><5> > )); <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./at.html" class="identifier">at</a><s,char>::type, <a href="./void.html" class="identifier">void_</a> > )); </pre> Constructing a <tt class="literal"><a href="./set.html" class="identifier">set</a></tt> from a list of potentially non-unique types: <pre class="literal-block"> typedef <a href="./fold.html" class="identifier">fold</a>< <a href="./vector.html" class="identifier">vector</a><int,int,long,long> , set0<> , <a href="./insert.html" class="identifier">insert</a><<a href="./placeholders.html" class="identifier">_1</a>,<a href="./placeholders.html" class="identifier">_2</a>> >::type s; <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a><s>::value, ==, 2 ); </pre> </div> <div class="section" id="id80"> <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> <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="./associative-sequence.html">Associative Sequence</a>, <a class="reference internal" href="./extensible-associative-sequence.html">Extensible Associative Sequence</a>, <a class="reference internal" href="./set-c.html">set_c</a>, <a class="reference internal" href="./map.html">map</a>, <a class="reference internal" href="./vector.html">vector</a>  </div> </div> <div class="footer-separator"></div> <table class="footer"><tr class="footer"><td class="header-group navigation-bar"><a href="./deque.html" class="navigation-link">Prev</a> <a href="./map.html" class="navigation-link">Next</a> | <a href="./deque.html" class="navigation-link">Back</a> <a href="./map.html" class="navigation-link">Along</a> | <a href="./classes.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a> | <a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></td> <td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2011 Aleksey Gurtovoy and David Abrahams</div> Distributed under the Boost Software License, Version 1.0. (See accompanying 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> </html>