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<title>LCOV - lcov.info - /usr/include/c++/4.3/bits/stl_move.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_move.h</td>
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<td class="headerItem" width="20%">Date:</td>
<td class="headerValue" width="20%">2008-08-14</td>
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<td class="headerItem" width="20%">Instrumented lines:</td>
<td class="headerValue" width="20%">5</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%">5</td>
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<td><pre class="source">
<span class="lineNum"> 1 </span> : // Move, forward and identity for C++0x + swap -*- C++ -*-
<span class="lineNum"> 2 </span> :
<span class="lineNum"> 3 </span> : // Copyright (C) 2007 Free Software Foundation, Inc.
<span class="lineNum"> 4 </span> : //
<span class="lineNum"> 5 </span> : // This file is part of the GNU ISO C++ Library. This library is free
<span class="lineNum"> 6 </span> : // software; you can redistribute it and/or modify it under the
<span class="lineNum"> 7 </span> : // terms of the GNU General Public License as published by the
<span class="lineNum"> 8 </span> : // Free Software Foundation; either version 2, or (at your option)
<span class="lineNum"> 9 </span> : // any later version.
<span class="lineNum"> 10 </span> :
<span class="lineNum"> 11 </span> : // This library is distributed in the hope that it will be useful,
<span class="lineNum"> 12 </span> : // but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class="lineNum"> 13 </span> : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<span class="lineNum"> 14 </span> : // GNU General Public License for more details.
<span class="lineNum"> 15 </span> :
<span class="lineNum"> 16 </span> : // You should have received a copy of the GNU General Public License along
<span class="lineNum"> 17 </span> : // with this library; see the file COPYING. If not, write to the Free
<span class="lineNum"> 18 </span> : // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
<span class="lineNum"> 19 </span> : // USA.
<span class="lineNum"> 20 </span> :
<span class="lineNum"> 21 </span> : // As a special exception, you may use this file as part of a free software
<span class="lineNum"> 22 </span> : // library without restriction. Specifically, if other files instantiate
<span class="lineNum"> 23 </span> : // templates or use macros or inline functions from this file, or you compile
<span class="lineNum"> 24 </span> : // this file and link it with other files to produce an executable, this
<span class="lineNum"> 25 </span> : // file does not by itself cause the resulting executable to be covered by
<span class="lineNum"> 26 </span> : // the GNU General Public License. This exception does not however
<span class="lineNum"> 27 </span> : // invalidate any other reasons why the executable file might be covered by
<span class="lineNum"> 28 </span> : // the GNU General Public License.
<span class="lineNum"> 29 </span> :
<span class="lineNum"> 30 </span> : /** @file stl_move.h
<span class="lineNum"> 31 </span> : * This is an internal header file, included by other library headers.
<span class="lineNum"> 32 </span> : * You should not attempt to use it directly.
<span class="lineNum"> 33 </span> : */
<span class="lineNum"> 34 </span> :
<span class="lineNum"> 35 </span> : #ifndef _STL_MOVE_H
<span class="lineNum"> 36 </span> : #define _STL_MOVE_H 1
<span class="lineNum"> 37 </span> :
<span class="lineNum"> 38 </span> : #include <bits/c++config.h>
<span class="lineNum"> 39 </span> : #include <bits/concept_check.h>
<span class="lineNum"> 40 </span> :
<span class="lineNum"> 41 </span> : #ifdef __GXX_EXPERIMENTAL_CXX0X__
<span class="lineNum"> 42 </span> : #include <type_traits>
<span class="lineNum"> 43 </span> :
<span class="lineNum"> 44 </span> : _GLIBCXX_BEGIN_NAMESPACE(std)
<span class="lineNum"> 45 </span> :
<span class="lineNum"> 46 </span> : // 20.2.2, forward/move
<span class="lineNum"> 47 </span> : template<typename _Tp>
<span class="lineNum"> 48 </span> : struct identity
<span class="lineNum"> 49 </span> : {
<span class="lineNum"> 50 </span> : typedef _Tp type;
<span class="lineNum"> 51 </span> : };
<span class="lineNum"> 52 </span> :
<span class="lineNum"> 53 </span> : template<typename _Tp>
<span class="lineNum"> 54 </span> : inline _Tp&&
<span class="lineNum"> 55 </span> : forward(typename std::identity<_Tp>::type&& __t)
<span class="lineNum"> 56 </span> : { return __t; }
<span class="lineNum"> 57 </span> :
<span class="lineNum"> 58 </span> : template<typename _Tp>
<span class="lineNum"> 59 </span> : inline typename std::remove_reference<_Tp>::type&&
<span class="lineNum"> 60 </span> : move(_Tp&& __t)
<span class="lineNum"> 61 </span> : { return __t; }
<span class="lineNum"> 62 </span> :
<span class="lineNum"> 63 </span> : _GLIBCXX_END_NAMESPACE
<span class="lineNum"> 64 </span> :
<span class="lineNum"> 65 </span> : #define _GLIBCXX_MOVE(_Tp) std::move(_Tp)
<span class="lineNum"> 66 </span> : #else
<span class="lineNum"> 67 </span> : #define _GLIBCXX_MOVE(_Tp) (_Tp)
<span class="lineNum"> 68 </span> : #endif
<span class="lineNum"> 69 </span> :
<span class="lineNum"> 70 </span> : _GLIBCXX_BEGIN_NAMESPACE(std)
<span class="lineNum"> 71 </span> :
<span class="lineNum"> 72 </span> : /**
<span class="lineNum"> 73 </span> : * @brief Swaps two values.
<span class="lineNum"> 74 </span> : * @param a A thing of arbitrary type.
<span class="lineNum"> 75 </span> : * @param b Another thing of arbitrary type.
<span class="lineNum"> 76 </span> : * @return Nothing.
<span class="lineNum"> 77 </span> : */
<span class="lineNum"> 78 </span> : template<typename _Tp>
<span class="lineNum"> 79 </span> : inline void
<span class="lineNum"> 80 </span><span class="lineCov"> 7080 : swap(_Tp& __a, _Tp& __b)</span>
<span class="lineNum"> 81 </span> : {
<span class="lineNum"> 82 </span> : // concept requirements
<span class="lineNum"> 83 </span> : __glibcxx_function_requires(_SGIAssignableConcept<_Tp>)
<span class="lineNum"> 84 </span> :
<span class="lineNum"> 85 </span><span class="lineCov"> 7080 : _Tp __tmp = _GLIBCXX_MOVE(__a);</span>
<span class="lineNum"> 86 </span><span class="lineCov"> 7080 : __a = _GLIBCXX_MOVE(__b);</span>
<span class="lineNum"> 87 </span><span class="lineCov"> 7080 : __b = _GLIBCXX_MOVE(__tmp);</span>
<span class="lineNum"> 88 </span><span class="lineCov"> 7080 : }</span>
<span class="lineNum"> 89 </span> :
<span class="lineNum"> 90 </span> : _GLIBCXX_END_NAMESPACE
<span class="lineNum"> 91 </span> :
<span class="lineNum"> 92 </span> : #endif /* _STL_MOVE_H */
</pre>
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