event-notify

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event-notify provides a lightweight event listener/notification chain implementation. Create events with chained listeners where each listener can process or forward the event.

No external dependencies required — pure Rust standard library.

Features

Lightweight event listener pattern
Chained listeners via Next forwarding
Fire events with arbitrary payload and return types
Zero dependencies

Cargo Feature Flags

This crate has no Cargo feature flags. All functionality is enabled by default.

Basic Usage

use event_notify::Event;

let event = Event::<i32, i32>::listen(|args, _next| {
    args * 2
}).finish();

let result = event.fire(21);
assert_eq!(result, 42);

Tests

cargo test -p event-notify

7 tests covering single listener, chained listeners, chain break, and multiple fire scenarios.

License