A marker indicating that a java.lang.Runnable provided to scala.concurrent.ExecutionContext
wraps a callback provided to Future.onComplete.
All callbacks provided to a Future end up going through onComplete, so this allows an
ExecutionContext to special-case callbacks that were executed by Future if desired.
A marker indicating that a
java.lang.Runnableprovided toscala.concurrent.ExecutionContextwraps a callback provided toFuture.onComplete. All callbacks provided to aFutureend up going throughonComplete, so this allows anExecutionContextto special-case callbacks that were executed byFutureif desired.