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20 lines
433 B
Rust
20 lines
433 B
Rust
use std::future::Future;
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pub use oneshot::channel as cancelation;
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use tokio::sync::oneshot;
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pub type CancelTx = oneshot::Sender<()>;
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pub type CancelRx = oneshot::Receiver<()>;
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pub async fn cancelable_future<T>(future: impl Future<Output = T>, cancel: CancelRx) -> Option<T> {
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tokio::select! {
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biased;
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_ = cancel => {
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None
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}
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res = future => {
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Some(res)
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}
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}
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}
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