akka-stream-workshop\

• FileIO
• alpakka
• akka-http
• https://github.com/gearpump/gearpump

TODO:

• scan a map
• mapConcat
• preffered

Flow[Int].alsoTo(Sink.foreach(println(_))).to(Sink.ignore)

https://www.slideshare.net/johanandren/streaming-all-the-things-with-akka-streams

http://akka.io/blog/tags.html#streams-ref