Actor is a worker who processes messages asynchronously.

Controller for a group of actors which manages their execution using pooled thread resources.

AtomicBool is used to manage a boolean variable shared between actor/threads with atomic updates.

AtomicInt is used to manage an integer variable shared between actor/threads with atomic updates.

AtomicRef is used to manage a object reference shared between actor/threads with atomic updates.

ConcurrentMap is a Fantom wrapper around Java's ConcurrentHashMap.

Future represents the result of an asynchronous computation.

Lock for synchronization between actors.

State of a Future's asynchronous computation

QueueOverflowErr is raised by a Future for messages sent to actor that has exceeded the max queue size.