https://github.com/storycraft/event-source

Zero cost non buffered async event emitter
https://github.com/storycraft/event-source

Last synced: 3 months ago
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Zero cost non buffered async event emitter

• Host: GitHub
• URL: https://github.com/storycraft/event-source
• Owner: storycraft
• Created: 2023-09-03T07:04:03.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2023-09-09T14:26:35.000Z (over 1 year ago)
• Last Synced: 2024-10-03T08:45:54.255Z (3 months ago)
• Language: Rust
• Homepage:
• Size: 60.5 KB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# EventSource

Zero cost non buffered async event emitter

This crate is no_std

## Features

1. Non buffered, immediate event dispatch

2. Zero cost listener adding, removing 

3. Higher kinded event type

4. Propagation control

## Example

```rust ignore

async fn main() {

    let source: Arc = Arc::new(EventSource::new());

    // imaginary function for spawning future in another thread

    spawn({

        let source = source.clone();

        async {

            let mut a = 35;

            emit!(source, &mut a);

        }

    });

    let mut output = 0;

    // Closure can contain reference!

    source.on(|value, flow| {

        println!("Event emiited with value: {}!", value);

        output = *value;

        // mark listener as finished

        flow.set_done();

    }).await;

    println!("Output: {}", output);

}

```

Output

```text

Event emiited with value: 35!

Output: 35

```

## License

MIT