Sends a one-way asynchronous message.
Sends a one-way asynchronous message. E.g. fire-and-forget semantics.
If invoked from within an actor then the actor reference is implicitly passed on as the implicit 'sender' argument.
This actor 'sender' reference is then available in the receiving actor in the 'sender' member variable, if invoked from within an Actor. If not then no sender is available.
actor ! message
Forwards the message and passes the original sender actor as the sender.
Forwards the message and passes the original sender actor as the sender.
Works with '!' and '?'.
Returns string formatted according to given format
string.
Returns string formatted according to given format
string.
Format strings are as for String.format
(@see java.lang.String.format).
Trait used for migration of Scala actors to Akka.
(Since version 2.10.0) ActorRef ought to be used only with the Actor Migration Kit.