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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>LCOV - lcov.info - /usr/include/c++/4.3/bits/stl_pair.h</title>
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<td class="headerValue" width="80%" colspan=4><a href="../../../../../index.html">directory</a> - <a href="index.html">usr/include/c++/4.3/bits</a> - stl_pair.h</td>
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<td class="headerItem" width="20%">Test:</td>
<td class="headerValue" width="80%" colspan=4>lcov.info</td>
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<td class="headerItem" width="20%">Date:</td>
<td class="headerValue" width="20%">2008-08-14</td>
<td width="20%"></td>
<td class="headerItem" width="20%">Instrumented lines:</td>
<td class="headerValue" width="20%">9</td>
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<td class="headerItem" width="20%">Code covered:</td>
<td class="headerValue" width="20%">100.0 %</td>
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<td class="headerItem" width="20%">Executed lines:</td>
<td class="headerValue" width="20%">9</td>
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<td><pre class="source">
<span class="lineNum"> 1 </span> : // Pair implementation -*- C++ -*-
<span class="lineNum"> 2 </span> :
<span class="lineNum"> 3 </span> : // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
<span class="lineNum"> 4 </span> : // Free Software Foundation, Inc.
<span class="lineNum"> 5 </span> : //
<span class="lineNum"> 6 </span> : // This file is part of the GNU ISO C++ Library. This library is free
<span class="lineNum"> 7 </span> : // software; you can redistribute it and/or modify it under the
<span class="lineNum"> 8 </span> : // terms of the GNU General Public License as published by the
<span class="lineNum"> 9 </span> : // Free Software Foundation; either version 2, or (at your option)
<span class="lineNum"> 10 </span> : // any later version.
<span class="lineNum"> 11 </span> :
<span class="lineNum"> 12 </span> : // This library is distributed in the hope that it will be useful,
<span class="lineNum"> 13 </span> : // but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class="lineNum"> 14 </span> : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<span class="lineNum"> 15 </span> : // GNU General Public License for more details.
<span class="lineNum"> 16 </span> :
<span class="lineNum"> 17 </span> : // You should have received a copy of the GNU General Public License along
<span class="lineNum"> 18 </span> : // with this library; see the file COPYING. If not, write to the Free
<span class="lineNum"> 19 </span> : // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
<span class="lineNum"> 20 </span> : // USA.
<span class="lineNum"> 21 </span> :
<span class="lineNum"> 22 </span> : // As a special exception, you may use this file as part of a free software
<span class="lineNum"> 23 </span> : // library without restriction. Specifically, if other files instantiate
<span class="lineNum"> 24 </span> : // templates or use macros or inline functions from this file, or you compile
<span class="lineNum"> 25 </span> : // this file and link it with other files to produce an executable, this
<span class="lineNum"> 26 </span> : // file does not by itself cause the resulting executable to be covered by
<span class="lineNum"> 27 </span> : // the GNU General Public License. This exception does not however
<span class="lineNum"> 28 </span> : // invalidate any other reasons why the executable file might be covered by
<span class="lineNum"> 29 </span> : // the GNU General Public License.
<span class="lineNum"> 30 </span> :
<span class="lineNum"> 31 </span> : /*
<span class="lineNum"> 32 </span> : *
<span class="lineNum"> 33 </span> : * Copyright (c) 1994
<span class="lineNum"> 34 </span> : * Hewlett-Packard Company
<span class="lineNum"> 35 </span> : *
<span class="lineNum"> 36 </span> : * Permission to use, copy, modify, distribute and sell this software
<span class="lineNum"> 37 </span> : * and its documentation for any purpose is hereby granted without fee,
<span class="lineNum"> 38 </span> : * provided that the above copyright notice appear in all copies and
<span class="lineNum"> 39 </span> : * that both that copyright notice and this permission notice appear
<span class="lineNum"> 40 </span> : * in supporting documentation. Hewlett-Packard Company makes no
<span class="lineNum"> 41 </span> : * representations about the suitability of this software for any
<span class="lineNum"> 42 </span> : * purpose. It is provided "as is" without express or implied warranty.
<span class="lineNum"> 43 </span> : *
<span class="lineNum"> 44 </span> : *
<span class="lineNum"> 45 </span> : * Copyright (c) 1996,1997
<span class="lineNum"> 46 </span> : * Silicon Graphics Computer Systems, Inc.
<span class="lineNum"> 47 </span> : *
<span class="lineNum"> 48 </span> : * Permission to use, copy, modify, distribute and sell this software
<span class="lineNum"> 49 </span> : * and its documentation for any purpose is hereby granted without fee,
<span class="lineNum"> 50 </span> : * provided that the above copyright notice appear in all copies and
<span class="lineNum"> 51 </span> : * that both that copyright notice and this permission notice appear
<span class="lineNum"> 52 </span> : * in supporting documentation. Silicon Graphics makes no
<span class="lineNum"> 53 </span> : * representations about the suitability of this software for any
<span class="lineNum"> 54 </span> : * purpose. It is provided "as is" without express or implied warranty.
<span class="lineNum"> 55 </span> : */
<span class="lineNum"> 56 </span> :
<span class="lineNum"> 57 </span> : /** @file stl_pair.h
<span class="lineNum"> 58 </span> : * This is an internal header file, included by other library headers.
<span class="lineNum"> 59 </span> : * You should not attempt to use it directly.
<span class="lineNum"> 60 </span> : */
<span class="lineNum"> 61 </span> :
<span class="lineNum"> 62 </span> : #ifndef _STL_PAIR_H
<span class="lineNum"> 63 </span> : #define _STL_PAIR_H 1
<span class="lineNum"> 64 </span> :
<span class="lineNum"> 65 </span> : #include <bits/stl_move.h> // for std::move / std::forward, std::decay, and
<span class="lineNum"> 66 </span> : // std::swap
<span class="lineNum"> 67 </span> :
<span class="lineNum"> 68 </span> : _GLIBCXX_BEGIN_NAMESPACE(std)
<span class="lineNum"> 69 </span> :
<span class="lineNum"> 70 </span> : /// pair holds two objects of arbitrary type.
<span class="lineNum"> 71 </span> : template<class _T1, class _T2>
<span class="lineNum"> 72 </span> : struct pair
<span class="lineNum"> 73 </span><span class="lineCov"> 814163 : {</span>
<span class="lineNum"> 74 </span> : typedef _T1 first_type; ///< @c first_type is the first bound type
<span class="lineNum"> 75 </span> : typedef _T2 second_type; ///< @c second_type is the second bound type
<span class="lineNum"> 76 </span> :
<span class="lineNum"> 77 </span> : _T1 first; ///< @c first is a copy of the first object
<span class="lineNum"> 78 </span> : _T2 second; ///< @c second is a copy of the second object
<span class="lineNum"> 79 </span> :
<span class="lineNum"> 80 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS
<span class="lineNum"> 81 </span> : // 265. std::pair::pair() effects overly restrictive
<span class="lineNum"> 82 </span> : /** The default constructor creates @c first and @c second using their
<span class="lineNum"> 83 </span> : * respective default constructors. */
<span class="lineNum"> 84 </span><span class="lineCov"> 19 : pair()</span>
<span class="lineNum"> 85 </span><span class="lineCov"> 19 : : first(), second() { }</span>
<span class="lineNum"> 86 </span> :
<span class="lineNum"> 87 </span> : /** Two objects may be passed to a @c pair constructor to be copied. */
<span class="lineNum"> 88 </span><span class="lineCov"> 3562241 : pair(const _T1& __a, const _T2& __b)</span>
<span class="lineNum"> 89 </span><span class="lineCov"> 3562241 : : first(__a), second(__b) { }</span>
<span class="lineNum"> 90 </span> :
<span class="lineNum"> 91 </span> : #ifdef __GXX_EXPERIMENTAL_CXX0X__
<span class="lineNum"> 92 </span> : template<class _U1, class _U2>
<span class="lineNum"> 93 </span> : pair(_U1&& __x, _U2&& __y)
<span class="lineNum"> 94 </span> : : first(std::forward<_U1>(__x)),
<span class="lineNum"> 95 </span> : second(std::forward<_U2>(__y)) { }
<span class="lineNum"> 96 </span> :
<span class="lineNum"> 97 </span> : pair(pair&& __p)
<span class="lineNum"> 98 </span> : : first(std::move(__p.first)),
<span class="lineNum"> 99 </span> : second(std::move(__p.second)) { }
<span class="lineNum"> 100 </span> : #endif
<span class="lineNum"> 101 </span> :
<span class="lineNum"> 102 </span> : /** There is also a templated copy ctor for the @c pair class itself. */
<span class="lineNum"> 103 </span> : template<class _U1, class _U2>
<span class="lineNum"> 104 </span><span class="lineCov"> 101375 : pair(const pair<_U1, _U2>& __p)</span>
<span class="lineNum"> 105 </span> : : first(__p.first),
<span class="lineNum"> 106 </span><span class="lineCov"> 101375 : second(__p.second) { }</span>
<span class="lineNum"> 107 </span> :
<span class="lineNum"> 108 </span> : #ifdef __GXX_EXPERIMENTAL_CXX0X__
<span class="lineNum"> 109 </span> : template<class _U1, class _U2>
<span class="lineNum"> 110 </span> : pair(pair<_U1, _U2>&& __p)
<span class="lineNum"> 111 </span> : : first(std::move(__p.first)),
<span class="lineNum"> 112 </span> : second(std::move(__p.second)) { }
<span class="lineNum"> 113 </span> :
<span class="lineNum"> 114 </span> : // http://gcc.gnu.org/ml/libstdc++/2007-08/msg00052.html
<span class="lineNum"> 115 </span> : template<class _U1, class _Arg0, class... _Args>
<span class="lineNum"> 116 </span> : pair(_U1&& __x, _Arg0&& __arg0, _Args&&... __args)
<span class="lineNum"> 117 </span> : : first(std::forward<_U1>(__x)),
<span class="lineNum"> 118 </span> : second(std::forward<_Arg0>(__arg0),
<span class="lineNum"> 119 </span> : std::forward<_Args>(__args)...) { }
<span class="lineNum"> 120 </span> :
<span class="lineNum"> 121 </span> : pair&
<span class="lineNum"> 122 </span> : operator=(pair&& __p)
<span class="lineNum"> 123 </span> : {
<span class="lineNum"> 124 </span> : first = std::move(__p.first);
<span class="lineNum"> 125 </span> : second = std::move(__p.second);
<span class="lineNum"> 126 </span> : return *this;
<span class="lineNum"> 127 </span> : }
<span class="lineNum"> 128 </span> :
<span class="lineNum"> 129 </span> : template<class _U1, class _U2>
<span class="lineNum"> 130 </span> : pair&
<span class="lineNum"> 131 </span> : operator=(pair<_U1, _U2>&& __p)
<span class="lineNum"> 132 </span> : {
<span class="lineNum"> 133 </span> : first = std::move(__p.first);
<span class="lineNum"> 134 </span> : second = std::move(__p.second);
<span class="lineNum"> 135 </span> : return *this;
<span class="lineNum"> 136 </span> : }
<span class="lineNum"> 137 </span> :
<span class="lineNum"> 138 </span> : void
<span class="lineNum"> 139 </span> : swap(pair&& __p)
<span class="lineNum"> 140 </span> : {
<span class="lineNum"> 141 </span> : using std::swap;
<span class="lineNum"> 142 </span> : swap(first, __p.first);
<span class="lineNum"> 143 </span> : swap(second, __p.second);
<span class="lineNum"> 144 </span> : }
<span class="lineNum"> 145 </span> : #endif
<span class="lineNum"> 146 </span> : };
<span class="lineNum"> 147 </span> :
<span class="lineNum"> 148 </span> : /// Two pairs of the same type are equal iff their members are equal.
<span class="lineNum"> 149 </span> : template<class _T1, class _T2>
<span class="lineNum"> 150 </span> : inline bool
<span class="lineNum"> 151 </span> : operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
<span class="lineNum"> 152 </span> : { return __x.first == __y.first && __x.second == __y.second; }
<span class="lineNum"> 153 </span> :
<span class="lineNum"> 154 </span> : /// <http://gcc.gnu.org/onlinedocs/libstdc++/20_util/howto.html#pairlt>
<span class="lineNum"> 155 </span> : template<class _T1, class _T2>
<span class="lineNum"> 156 </span> : inline bool
<span class="lineNum"> 157 </span> : operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
<span class="lineNum"> 158 </span> : { return __x.first < __y.first
<span class="lineNum"> 159 </span> : || (!(__y.first < __x.first) && __x.second < __y.second); }
<span class="lineNum"> 160 </span> :
<span class="lineNum"> 161 </span> : /// Uses @c operator== to find the result.
<span class="lineNum"> 162 </span> : template<class _T1, class _T2>
<span class="lineNum"> 163 </span> : inline bool
<span class="lineNum"> 164 </span> : operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
<span class="lineNum"> 165 </span> : { return !(__x == __y); }
<span class="lineNum"> 166 </span> :
<span class="lineNum"> 167 </span> : /// Uses @c operator< to find the result.
<span class="lineNum"> 168 </span> : template<class _T1, class _T2>
<span class="lineNum"> 169 </span> : inline bool
<span class="lineNum"> 170 </span> : operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
<span class="lineNum"> 171 </span> : { return __y < __x; }
<span class="lineNum"> 172 </span> :
<span class="lineNum"> 173 </span> : /// Uses @c operator< to find the result.
<span class="lineNum"> 174 </span> : template<class _T1, class _T2>
<span class="lineNum"> 175 </span> : inline bool
<span class="lineNum"> 176 </span> : operator<=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
<span class="lineNum"> 177 </span> : { return !(__y < __x); }
<span class="lineNum"> 178 </span> :
<span class="lineNum"> 179 </span> : /// Uses @c operator< to find the result.
<span class="lineNum"> 180 </span> : template<class _T1, class _T2>
<span class="lineNum"> 181 </span> : inline bool
<span class="lineNum"> 182 </span> : operator>=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
<span class="lineNum"> 183 </span> : { return !(__x < __y); }
<span class="lineNum"> 184 </span> :
<span class="lineNum"> 185 </span> : #ifdef __GXX_EXPERIMENTAL_CXX0X__
<span class="lineNum"> 186 </span> : /// See std::pair::swap().
<span class="lineNum"> 187 </span> : template<class _T1, class _T2>
<span class="lineNum"> 188 </span> : inline void
<span class="lineNum"> 189 </span> : swap(pair<_T1, _T2>& __x, pair<_T1, _T2>& __y)
<span class="lineNum"> 190 </span> : { __x.swap(__y); }
<span class="lineNum"> 191 </span> :
<span class="lineNum"> 192 </span> : template<class _T1, class _T2>
<span class="lineNum"> 193 </span> : inline void
<span class="lineNum"> 194 </span> : swap(pair<_T1, _T2>&& __x, pair<_T1, _T2>& __y)
<span class="lineNum"> 195 </span> : { __x.swap(__y); }
<span class="lineNum"> 196 </span> :
<span class="lineNum"> 197 </span> : template<class _T1, class _T2>
<span class="lineNum"> 198 </span> : inline void
<span class="lineNum"> 199 </span> : swap(pair<_T1, _T2>& __x, pair<_T1, _T2>&& __y)
<span class="lineNum"> 200 </span> : { __x.swap(__y); }
<span class="lineNum"> 201 </span> : #endif
<span class="lineNum"> 202 </span> :
<span class="lineNum"> 203 </span> : /**
<span class="lineNum"> 204 </span> : * @brief A convenience wrapper for creating a pair from two objects.
<span class="lineNum"> 205 </span> : * @param x The first object.
<span class="lineNum"> 206 </span> : * @param y The second object.
<span class="lineNum"> 207 </span> : * @return A newly-constructed pair<> object of the appropriate type.
<span class="lineNum"> 208 </span> : *
<span class="lineNum"> 209 </span> : * The standard requires that the objects be passed by reference-to-const,
<span class="lineNum"> 210 </span> : * but LWG issue #181 says they should be passed by const value. We follow
<span class="lineNum"> 211 </span> : * the LWG by default.
<span class="lineNum"> 212 </span> : */
<span class="lineNum"> 213 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS
<span class="lineNum"> 214 </span> : // 181. make_pair() unintended behavior
<span class="lineNum"> 215 </span> : #ifndef __GXX_EXPERIMENTAL_CXX0X__
<span class="lineNum"> 216 </span> : template<class _T1, class _T2>
<span class="lineNum"> 217 </span> : inline pair<_T1, _T2>
<span class="lineNum"> 218 </span><span class="lineCov"> 474889 : make_pair(_T1 __x, _T2 __y)</span>
<span class="lineNum"> 219 </span><span class="lineCov"> 474889 : { return pair<_T1, _T2>(__x, __y); }</span>
<span class="lineNum"> 220 </span> : #else
<span class="lineNum"> 221 </span> : template<typename _Tp>
<span class="lineNum"> 222 </span> : class reference_wrapper;
<span class="lineNum"> 223 </span> :
<span class="lineNum"> 224 </span> : // Helper which adds a reference to a type when given a reference_wrapper
<span class="lineNum"> 225 </span> : template<typename _Tp>
<span class="lineNum"> 226 </span> : struct __strip_reference_wrapper
<span class="lineNum"> 227 </span> : {
<span class="lineNum"> 228 </span> : typedef _Tp __type;
<span class="lineNum"> 229 </span> : };
<span class="lineNum"> 230 </span> :
<span class="lineNum"> 231 </span> : template<typename _Tp>
<span class="lineNum"> 232 </span> : struct __strip_reference_wrapper<reference_wrapper<_Tp> >
<span class="lineNum"> 233 </span> : {
<span class="lineNum"> 234 </span> : typedef _Tp& __type;
<span class="lineNum"> 235 </span> : };
<span class="lineNum"> 236 </span> :
<span class="lineNum"> 237 </span> : template<typename _Tp>
<span class="lineNum"> 238 </span> : struct __strip_reference_wrapper<const reference_wrapper<_Tp> >
<span class="lineNum"> 239 </span> : {
<span class="lineNum"> 240 </span> : typedef _Tp& __type;
<span class="lineNum"> 241 </span> : };
<span class="lineNum"> 242 </span> :
<span class="lineNum"> 243 </span> : template<typename _Tp>
<span class="lineNum"> 244 </span> : struct __decay_and_strip
<span class="lineNum"> 245 </span> : {
<span class="lineNum"> 246 </span> : typedef typename __strip_reference_wrapper<
<span class="lineNum"> 247 </span> : typename decay<_Tp>::type>::__type __type;
<span class="lineNum"> 248 </span> : };
<span class="lineNum"> 249 </span> :
<span class="lineNum"> 250 </span> : // NB: DR 706.
<span class="lineNum"> 251 </span> : template<class _T1, class _T2>
<span class="lineNum"> 252 </span> : inline pair<typename __decay_and_strip<_T1>::__type,
<span class="lineNum"> 253 </span> : typename __decay_and_strip<_T2>::__type>
<span class="lineNum"> 254 </span> : make_pair(_T1&& __x, _T2&& __y)
<span class="lineNum"> 255 </span> : {
<span class="lineNum"> 256 </span> : return pair<typename __decay_and_strip<_T1>::__type,
<span class="lineNum"> 257 </span> : typename __decay_and_strip<_T2>::__type>
<span class="lineNum"> 258 </span> : (std::forward<_T1>(__x), std::forward<_T2>(__y));
<span class="lineNum"> 259 </span> : }
<span class="lineNum"> 260 </span> : #endif
<span class="lineNum"> 261 </span> :
<span class="lineNum"> 262 </span> : _GLIBCXX_END_NAMESPACE
<span class="lineNum"> 263 </span> :
<span class="lineNum"> 264 </span> : #endif /* _STL_PAIR_H */
</pre>
</td>
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<tr><td class="ruler"><img src="../../../../../glass.png" width=3 height=3 alt=""></td></tr>
<tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LTP GCOV extension version 1.6</a></td></tr>
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