nullObjectI.H
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25 
26 template<class T>
27 inline const T& Foam::NullObjectRef()
28 {
29  return *reinterpret_cast<const T*>(nullObjectPtr);
30 }
31 
32 template<class T>
34 {
35  return const_cast<T&>(*reinterpret_cast<const T*>(nullObjectPtr));
36 }
37 
38 template<class T>
39 inline const T* Foam::NullObjectConstPtr()
40 {
41  return reinterpret_cast<const T*>(nullObjectPtr);
42 }
43 
44 template<class T>
46 {
47  return const_cast<T*>(reinterpret_cast<const T*>(nullObjectPtr));
48 }
49 
50 template<class T>
52 {
53  return move(const_cast<T&>(*reinterpret_cast<const T*>(nullObjectPtr)));
54 }
55 
56 
57 template<class T>
58 inline bool Foam::isNull(const T& t)
59 {
60  return &t == NullObjectPtr<T>();
61 }
62 
63 template<class T>
64 inline bool Foam::notNull(const T& t)
65 {
66  return &t != NullObjectPtr<T>();
67 }
68 
69 
70 template<class T>
71 inline bool Foam::isNull(const T* t)
72 {
73  return t == NullObjectPtr<T>();
74 }
75 
76 template<class T>
77 inline bool Foam::notNull(const T* t)
78 {
79  return t != NullObjectPtr<T>();
80 }
81 
82 
83 template<class T>
84 inline bool Foam::isNull(T* t)
85 {
86  return t == NullObjectPtr<T>();
87 }
88 
89 template<class T>
90 inline bool Foam::notNull(T* t)
91 {
92  return t != NullObjectPtr<T>();
93 }
94 
95 
96 // ************************************************************************* //
T && NullObjectMove()
Return reference to the nullObject of type T.
Definition: nullObjectI.H:51
const NullObject * nullObjectPtr
Pointer to the unique nullObject.
Definition: nullObject.C:31
bool notNull(const T &t)
Return true if t is not a reference to the nullObject of type T.
Definition: nullObjectI.H:64
T * NullObjectPtr()
Return pointer to the nullObject of type T.
Definition: nullObjectI.H:45
const T & NullObjectRef()
Return const reference to the nullObject of type T.
Definition: nullObjectI.H:27
T & NullObjectNonConstRef()
Return non-const reference to the nullObject of type T.
Definition: nullObjectI.H:33
const T * NullObjectConstPtr()
Return const pointer to the nullObject of type T.
Definition: nullObjectI.H:39
bool isNull(const T &t)
Return true if t is a reference to the nullObject of type T.
Definition: nullObjectI.H:58
void T(FieldField< Field, Type > &f1, const FieldField< Field, Type > &f2)