blocxx
RefToValue.hpp
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32
34// The Loki Library
35// Copyright (c) 2006 Richard Sposato
36// Copyright (c) 2006 Peter Kümmel
37// Permission to use, copy, modify, distribute and sell this software for any
38// purpose is hereby granted without fee, provided that the above copyright
39// notice appear in all copies and that both that copyright notice and this
40// permission notice appear in supporting documentation.
41// The authors make no representations about the
42// suitability of this software for any purpose. It is provided "as is"
43// without express or implied warranty.
45#ifndef BLOCXX_REF_TO_VALUE_HPP_INCLUDE_GUARD_
46#define BLOCXX_REF_TO_VALUE_HPP_INCLUDE_GUARD_
47
48#include "blocxx/BLOCXX_config.h"
49namespace BLOCXX_NAMESPACE
50{
51
58
59 template <class T>
61 {
62 public:
63
64 RefToValue(T& ref) : ref_(ref)
65 {}
66
67 RefToValue(const RefToValue& rhs) : ref_(rhs.ref_)
68 {}
69
70 operator T& () const
71 {
72 return ref_;
73 }
74
75 private:
76 // Disable - not implemented
79
80 T& ref_;
81 };
82
83
87
88 template <class T>
89 inline RefToValue<T> ByRef(T& t)
90 {
91 return RefToValue<T>(t);
92 }
93
94}
95
96
97
98#endif
99
Transports a reference as a value Serves to implement the Colvin/Gibbons trick for SmartPtr/ScopeGuar...
RefToValue & operator=(const RefToValue &)
RefToValue(const RefToValue &rhs)
Taken from RFC 1321.
RefToValue< T > ByRef(T &t)
RefToValue creator.