refholder.hh
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1 /* -*- mia-c++ -*-
2  *
3  * This file is part of MIA - a toolbox for medical image analysis
4  * Copyright (c) Leipzig, Madrid 1999-2013 Gert Wollny
5  *
6  * MIA is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with MIA; if not, see <http://www.gnu.org/licenses/>.
18  *
19  */
20 
21 #include <mia/core/defines.hh>
22 #include <memory>
23 
25 
36 template <typename T>
37 class TRefHolder {
38 public:
40  typedef std::shared_ptr<TRefHolder<T> > Pointer;
41 
43  typedef const T& const_reference;
44 
50  m_r(r){}
51 
53  operator const_reference(){return m_r;}
54 private:
55  const_reference m_r;
56 };
57 
A class to make a const reference not so const.
Definition: refholder.hh:37
#define NS_MIA_BEGIN
conveniance define to start the mia namespace
Definition: defines.hh:43
TRefHolder(const_reference r)
Definition: refholder.hh:49
std::shared_ptr< TRefHolder< T > > Pointer
pointer type of this reference holder.
Definition: refholder.hh:40
const T & const_reference
the type of the actual reference this class holds
Definition: refholder.hh:43
#define NS_MIA_END
conveniance define to end the mia namespace
Definition: defines.hh:46