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While references are const and always valid, this wrapper is like a reference that is only always valid and can be overwritten. Ref #2670
54 lines
829 B
C++
54 lines
829 B
C++
/*
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* \brief Reference that can be overwritten
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* \author Martin Stein
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* \date 2016-08-24
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*/
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/*
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* Copyright (C) 2016-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _REFERENCE_H_
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#define _REFERENCE_H_
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namespace Net {
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template <typename> class Reference;
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template <typename> class Const_reference;
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}
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template <typename T>
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class Net::Reference
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{
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private:
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T *_obj;
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public:
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Reference(T &obj) : _obj(&obj) { }
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T &operator () () const { return *_obj; }
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};
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template <typename T>
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class Net::Const_reference
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{
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private:
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T const *_obj;
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public:
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Const_reference(T const &obj) : _obj(&obj) { }
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T const &operator () () const { return *_obj; }
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};
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#endif /* _REFERENCE_H_ */
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