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00001 /******************************************************************************* 00002 * Copyright (C) 2005, Quest Software, Inc. All rights reserved. 00003 * Copyright (C) 2006, Novell, Inc. All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of 00014 * Quest Software, Inc., 00015 * nor Novell, Inc., 00016 * nor the names of its contributors or employees may be used to 00017 * endorse or promote products derived from this software without 00018 * specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00030 * POSSIBILITY OF SUCH DAMAGE. 00031 *******************************************************************************/ 00032 00034 // The Loki Library 00035 // Copyright (c) 2006 Richard Sposato 00036 // Copyright (c) 2006 Peter Kümmel 00037 // Permission to use, copy, modify, distribute and sell this software for any 00038 // purpose is hereby granted without fee, provided that the above copyright 00039 // notice appear in all copies and that both that copyright notice and this 00040 // permission notice appear in supporting documentation. 00041 // The authors make no representations about the 00042 // suitability of this software for any purpose. It is provided "as is" 00043 // without express or implied warranty. 00045 #ifndef BLOCXX_REF_TO_VALUE_HPP_INCLUDE_GUARD_ 00046 #define BLOCXX_REF_TO_VALUE_HPP_INCLUDE_GUARD_ 00047 00048 #include "blocxx/BLOCXX_config.h" 00049 namespace BLOCXX_NAMESPACE 00050 { 00051 00058 00059 template <class T> 00060 class RefToValue 00061 { 00062 public: 00063 00064 RefToValue(T& ref) : ref_(ref) 00065 {} 00066 00067 RefToValue(const RefToValue& rhs) : ref_(rhs.ref_) 00068 {} 00069 00070 operator T& () const 00071 { 00072 return ref_; 00073 } 00074 00075 private: 00076 // Disable - not implemented 00077 RefToValue(); 00078 RefToValue& operator=(const RefToValue&); 00079 00080 T& ref_; 00081 }; 00082 00083 00087 00088 template <class T> 00089 inline RefToValue<T> ByRef(T& t) 00090 { 00091 return RefToValue<T>(t); 00092 } 00093 00094 } 00095 00096 00097 00098 #endif 00099