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stream: implement Error and Display for BroadcastStreamRecvError (#3745)

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Chế Vũ Gia Hy
2021-05-05 11:15:42 +02:00
committed by GitHub
parent 14bb2f624f
commit a945ce0996
1 changed files with 10 additions and 0 deletions
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tokio-stream/src/wrappers/broadcast.rs
+10
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@@ -27,6 +27,16 @@ pub enum BroadcastStreamRecvError {
Lagged(u64), Lagged(u64),
} }
impl fmt::Display for BroadcastStreamRecvError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
BroadcastStreamRecvError::Lagged(amt) => write!(f, "channel lagged by {}", amt),
}
}
}
impl std::error::Error for BroadcastStreamRecvError {}
async fn make_future<T: Clone>(mut rx: Receiver<T>) -> (Result<T, RecvError>, Receiver<T>) { async fn make_future<T: Clone>(mut rx: Receiver<T>) -> (Result<T, RecvError>, Receiver<T>) {
let result = rx.recv().await; let result = rx.recv().await;
(result, rx) (result, rx)