Trait Handler 

pub trait Handler<M>: Actor
where
    M: Message,
{
    type Result: MessageResponse<Self, M>;

    // Required method
    fn handle(
        &mut self,
        msg: M,
        ctx: &mut Self::Context,
    ) -> impl Future<Output = Self::Result> + Send;
}

Describes how an actor handles a specific message type.

Required Associated Types

type Result: MessageResponse<Self, M>

The return type of the handler, which must implement MessageResponse.

Required Methods

fn handle( &mut self, msg: M, ctx: &mut Self::Context, ) -> impl Future<Output = Self::Result> + Send

Handles a message.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl<A> Handler<CronSignal> for A

where A: CronActor, A::Context: CronActorContext<A>,

Available on crate feature cron only.

type Result = ()

impl<A> Handler<Signal> for A

where A: Actor, A::Context: ActorContext<A>,

type Result = ()

impl<A> Handler<Supervisor<A>> for A

where A: Actor, A::Context: ActorContext<A>,

type Result = ()

impl<A, M> Handler<Observer<M>> for A

where A: SubjectActor<M>, M: Message + Clone,

Available on crate feature observer only.

type Result = ()