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csutil/scopeddelete.h

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00001 /*
00002   Copyright (C) 2007 by Frank Richter
00003 
00004   This library is free software; you can redistribute it and/or
00005   modify it under the terms of the GNU Library General Public
00006   License as published by the Free Software Foundation; either
00007   version 2 of the License, or (at your option) any later version.
00008 
00009   This library is distributed in the hope that it will be useful,
00010   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012   Library General Public License for more details.
00013 
00014   You should have received a copy of the GNU Library General Public
00015   License along with this library; if not, write to the Free
00016   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 #ifndef __CSUTIL_SCOPEDDELETE_H__
00019 #define __CSUTIL_SCOPEDDELETE_H__
00020 
00025 #include "csutil/noncopyable.h"
00026 
00027 namespace CS
00028 {
00029 namespace Utility
00030 {
00031 
00036   template<class T>
00037   class ScopedDelete : private NonCopyable
00038   {
00039     T* const ptr;
00040   public:
00042     ScopedDelete (T* ptr) : ptr (ptr) {}
00044     ~ScopedDelete() { delete ptr; }
00045   
00047     T* operator -> () const
00048     { return ptr; }
00049     
00051     operator T* () const
00052     { return ptr; }
00053     
00055     T& operator* () const
00056     { return *ptr; }
00057   
00058   };
00059 
00060 } // namespace Utility
00061 } // namespace CS
00062 
00063 #endif // __CSUTIL_SCOPEDDELETE_H__

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