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 move(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 
51 template<class T>
52 inline bool Foam::isNull(const T& t)
53 {
54  return &t == NullObjectPtr<T>();
55 }
56 
57 template<class T>
58 inline bool Foam::notNull(const T& t)
59 {
60  return &t != NullObjectPtr<T>();
61 }
62 
63 
64 template<class T>
65 inline bool Foam::isNull(const T* t)
66 {
67  return t == NullObjectPtr<T>();
68 }
69 
70 template<class T>
71 inline bool Foam::notNull(const T* t)
72 {
73  return t != NullObjectPtr<T>();
74 }
75 
76 
77 template<class T>
78 inline bool Foam::isNull(T* t)
79 {
80  return t == NullObjectPtr<T>();
81 }
82 
83 template<class T>
84 inline bool Foam::notNull(T* t)
85 {
86  return t != NullObjectPtr<T>();
87 }
88 
89 
90 // ************************************************************************* //
T && NullObjectMove()
Return reference to the nullObject of type T.
Definition: nullObjectI.H:33
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:58
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
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:52
void T(FieldField< Field, Type > &f1, const FieldField< Field, Type > &f2)