use hannibal::prelude::*;
#[derive(Debug)]
struct MyActor(&'static str);
#[message]
struct Greet(&'static str);
#[message(response = i32)]
struct Add(i32, i32);
impl Actor for MyActor {
async fn started(&mut self, _ctx: &mut Context<Self>) -> DynResult<()> {
println!("[Actor {}] started", self.0);
Ok(())
}
async fn stopped(&mut self, _ctx: &mut Context<Self>) {
println!("[Actor {}] stopped", self.0);
}
}
impl Handler<Greet> for MyActor {
async fn handle(&mut self, _ctx: &mut Context<Self>, msg: Greet) {
println!(
"[Actor {me}] Hello {you}, my name is {me}",
me = self.0,
you = msg.0,
);
}
}
impl Handler<Add> for MyActor {
async fn handle(&mut self, _ctx: &mut Context<Self>, msg: Add) -> i32 {
msg.0 + msg.1
}
}
#[hannibal::main]
async fn main() {
let addr = MyActor("Caesar").spawn_owning();
addr.send(Greet("Cornelius")).await.unwrap();
addr.ping().await.unwrap();
let addition = addr.call(Add(1, 2)).await;
println!("The Actor Calculated: {addition:?}");
println!("{:#?}", addr.consume_sync().unwrap().await);
}