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Remove unnecessary parentheses in chat example (#2732)
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@ -130,8 +130,8 @@ async fn websocket(stream: WebSocket, state: Arc<AppState>) {
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// If any one of the tasks run to completion, we abort the other.
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tokio::select! {
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_ = (&mut send_task) => recv_task.abort(),
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_ = (&mut recv_task) => send_task.abort(),
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_ = &mut send_task => recv_task.abort(),
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_ = &mut recv_task => send_task.abort(),
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};
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// Send "user left" message (similar to "joined" above).
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