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Use select_biased

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This commit is contained in:
mo8it 2024-08-10 02:05:08 +02:00
parent cb1c7b3b99
commit 9731fa9fe0
1 changed files with 8 additions and 7 deletions
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15
crates/rust-analyzer/src/flycheck.rs
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@ -3,7 +3,7 @@
use std::{fmt, io, process::Command, time::Duration};
use crossbeam_channel::{never, select, unbounded, Receiver, Sender};
use crossbeam_channel::{select_biased, unbounded, Receiver, Sender};
use paths::{AbsPath, AbsPathBuf, Utf8PathBuf};
use rustc_hash::FxHashMap;
use serde::Deserialize;
@ -260,13 +260,14 @@ impl FlycheckActor {
}
fn next_event(&self, inbox: &Receiver<StateChange>) -> Option<Event> {
if let Ok(msg) = inbox.try_recv() {
// give restarts a preference so check outputs don't block a restart or stop
return Some(Event::RequestStateChange(msg));
}
select! {
let Some(command_receiver) = &self.command_receiver else {
return inbox.recv().ok().map(Event::RequestStateChange);
};
// Biased to give restarts a preference so check outputs don't block a restart or stop
select_biased! {
recv(inbox) -> msg => msg.ok().map(Event::RequestStateChange),
recv(self.command_receiver.as_ref().unwrap_or(&never())) -> msg => Some(Event::CheckEvent(msg.ok())),
recv(command_receiver) -> msg => Some(Event::CheckEvent(msg.ok())),
}
}