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A datasource representing the absence of a datasource. More...
Public Member Functions | |
HD_DECLARE_DATASOURCE (HdBlockDataSource) | |
A datasource representing the absence of a datasource.
If a container has a child datasource which is a block datasource, that's equivalent to that child being null. This type is useful when composing containers, where a block might shadow sampled data, and sampled data might shadow nullptr.
Definition at line 223 of file dataSource.h.