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nullPtr.h
Go to the documentation of this file.
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//
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// Copyright 2016 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#ifndef PXR_BASE_TF_NULL_PTR_H
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#define PXR_BASE_TF_NULL_PTR_H
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#include "
pxr/pxr.h
"
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#include "
pxr/base/tf/api.h
"
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PXR_NAMESPACE_OPEN_SCOPE
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// A type used to create the \a TfNullPtr token.
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struct
TfNullPtrType
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{
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};
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// A token to represent null for smart pointers like \a TfWeakPtr and \a
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// TfRefPtr.
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TF_API
extern
const
TfNullPtrType
TfNullPtr
;
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PXR_NAMESPACE_CLOSE_SCOPE
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#endif // PXR_BASE_TF_NULL_PTR_H
TF_API
#define TF_API
Definition:
api.h:40
TfNullPtr
TF_API const TfNullPtrType TfNullPtr
TfNullPtrType
Definition:
nullPtr.h:33
pxr.h
api.h
PXR_NAMESPACE_OPEN_SCOPE
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition:
path.h:1432
PXR_NAMESPACE_CLOSE_SCOPE
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition:
pxr.h:91
pxr
base
tf
nullPtr.h
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