Struct WeakSender 

pub struct WeakSender<M> { /* private fields */ }

A weak reference to an actor that can receive a message M.

This is the weak counterpart to Sender. It can be upgraded if the Actor is still alive.

Implementations

impl<M: Message<Response = ()>> WeakSender<M>

pub fn upgrade(&self) -> Option<Sender<M>>

Attempts to upgrade this weak sender to a strong sender.

pub async fn upgrade_and_send(&self, msg: M) -> Result<()>

Attempts to send a message to the actor.

If the actor is stopped, an error is returned.

Trait Implementations

impl<M: Message<Response = ()>> Clone for WeakSender<M>

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<M: Message<Response = ()>, A> From<&Addr<A>> for WeakSender<M>

where A: Actor + Handler<M>,

fn from(addr: &Addr<A>) -> Self

Converts to this type from the input type.

impl<M: Message<Response = ()>, A> From<Addr<A>> for WeakSender<M>

where A: Actor + Handler<M>,

fn from(addr: Addr<A>) -> Self

Converts to this type from the input type.