a07b3451a3
* Create README.md * add example * crates & examples * fix syntax * add LICENSE * thirdparty LICENSE * rearrange repo * fix build * egui versions * prepare publish * fix demo compilation * add test ci * Update rust.yml * forgot runs-on * install protoc before building * avoid rate limit * include submodules * updates to readme * cache rust builds Co-authored-by: David Zhao <[email protected]> Co-authored-by: David Zhao <[email protected]>
40 lines
743 B
Rust
40 lines
743 B
Rust
// Really basic implementation of the observer pattern using mpsc channels.
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// Currently unbounded channels
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use tokio::sync::mpsc;
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#[derive(Debug)]
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pub struct Dispatcher<T>
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where
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T: Clone,
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{
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senders: Vec<mpsc::UnboundedSender<T>>,
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}
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impl<T> Default for Dispatcher<T>
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where
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T: Clone,
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{
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fn default() -> Self {
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Self {
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senders: Default::default(),
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}
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}
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}
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impl<T> Dispatcher<T>
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where
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T: Clone,
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{
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pub fn register(&mut self) -> mpsc::UnboundedReceiver<T> {
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let (tx, rx) = mpsc::unbounded_channel();
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self.senders.push(tx);
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rx
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}
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pub fn dispatch(&mut self, msg: &T) {
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self.senders
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.retain(|sender| sender.send(msg.clone()).is_ok());
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}
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}
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