eventd

Rust implementation of observer design pattern. Dispatch is immediate and multicast. For delayed handling you can use shrev.

More information about this crate can be found in the crate documentation.

Features

• Strongly typed
• Subscribe and unsubscribe of multiple handlers
• Configurable lifetime, mutability and thread safety constraints for handlers

Usage

To use eventd, first add this to your Cargo.toml:

[dependencies]
eventd = "0.3"

Next, you can use event! macro to define your event signatures and use them:

#[macro_use]
extern crate eventd;

event!(MyEvent => Fn(x: u8) + 'static);

fn main() {
    let mut my_event = MyEvent::default();
    let _ = my_event.subscribe(|x| println!("Got {}", x));
    my_event.emit(42);
}