CMMetadataDataTypeRegistryDataTypeIsBaseDataType(_:)
Returns a Boolean value that indicates whether a data type identifier represents a base data type.
Declaration
func CMMetadataDataTypeRegistryDataTypeIsBaseDataType(_ dataType: CFString) -> BoolParameters
- dataType:
Identifier of the data type to be queried.
Return Value
kCFBooleanTrue if first data type conforms to the second data type; kCFBooleanFalse otherwise.
Discussion
This is simply a convenience method to test to see if a given data type identifier is in the array returned by CMMetadataDataTypeRegistryGetBaseDataTypes().
See Also
Inspecting Metadata
CMMetadataDataTypeRegistryDataTypeIsRegistered(_:)CMMetadataDataTypeRegistryGetDataTypeDescription(_:)CMMetadataDataTypeRegistryGetConformingDataTypes(_:)CMMetadataDataTypeRegistryDataTypeConformsToDataType(_:conformsTo:)CMMetadataDataTypeRegistryGetBaseDataTypeForConformingDataType(_:)CMMetadataDataTypeRegistryGetBaseDataTypes()