jboner/akka — comment on commit 3b6c3e28d3eabfdfa5c38071528f777834fa7306
File: akka-docs/scala/code/akka/docs/future/FutureDocSpec.scala line 247
By viktorklang:

Perhaps document:

"failed"- the failed projection of a Future
onSuccess / foreach
onFailure
filter
Promise.successful
Promise.failed