setup
Defer the creation of a Source/Flow until materialization and access Materializer and Attributes
Warning
The setup operator has been deprecated, use fromMaterializer instead.
Signature
Source.setupSource.setup Flow.setupFlow.setup
Description
Typically used when access to materializer is needed to run a different stream during the construction of a source/flow. Can also be used to access the underlying ActorSystem from ActorMaterializer.