CMMetadataDataTypeRegistryGetBaseDataTypes()
Returns an array of base data type identifiers.
Declaration
func CMMetadataDataTypeRegistryGetBaseDataTypes() -> CFArray?Return Value
An array of the base data types to which all others must conform.
Discussion
There are a set of base data types that seed the data type registry. All valid data types will have their conformance search end with a base data type.
See Also
Inspecting Metadata
CMMetadataDataTypeRegistryDataTypeIsRegistered(_:)CMMetadataDataTypeRegistryGetDataTypeDescription(_:)CMMetadataDataTypeRegistryGetConformingDataTypes(_:)CMMetadataDataTypeRegistryDataTypeConformsToDataType(_:conformsTo:)CMMetadataDataTypeRegistryDataTypeIsBaseDataType(_:)CMMetadataDataTypeRegistryGetBaseDataTypeForConformingDataType(_:)