[Index] Package maintainers For package maintainers and hackage trustees Candidates Sends a message to the given destination. If there is no consumer then the message stays in the queue until somebody consumes it. Sends a message to the given destination. If nobody consumes the message in timeoutInMs milliseconds then the message is discarded. This is useful for showing notifications that must happen in a certain timeframe but guaranteed delivery is not a strict requirement. Sends a message to the given destination. Has a default timeout of 3 seconds and discards the message from the queue if a response hasn't been returned in that time. Listens for messages on a given destination or destinations without consuming them. Examples: receives messages that are delivered to "i.want.to.break.free" receives messages that are delivered to somebody.to.love but doesn't receive messages delivered to someboy.not.to.love