Module mailbox 

Actor mailbox and message sending types.

This module provides:

• ActorRef: A handle for sending messages to an actor
• SendError: Error type for failed sends

Platform Differences

• Native: Uses crossbeam-channel for lock-free message passing between threads
• WASM: Uses Rc<RefCell> processor for inline (synchronous) message handling

Structs

ActorRef

Handle to send messages to an actor.

Enums

AskError

Error returned when an ask (request-response) fails.

RecvError

Error when receiving blocks.

RecvTimeoutError

Error when receiving with timeout.

SendError

Error returned when sending a message fails.

TryRecvError

Error when trying to receive without blocking.