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nullPtr.h
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1 //
2 // Copyright 2016 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
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11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
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14 // You may obtain a copy of the Apache License at
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16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
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19 // distributed under the Apache License with the above modification is
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24 #ifndef PXR_BASE_TF_NULL_PTR_H
25 #define PXR_BASE_TF_NULL_PTR_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/base/tf/api.h"
29 
31 
32 // A type used to create the \a TfNullPtr token.
34 {
35 };
36 
37 // A token to represent null for smart pointers like \a TfWeakPtr and \a
38 // TfRefPtr.
39 TF_API extern const TfNullPtrType TfNullPtr;
40 
42 
43 #endif // PXR_BASE_TF_NULL_PTR_H
#define TF_API
Definition: api.h:40
TF_API const TfNullPtrType TfNullPtr
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1432
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91