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Auto merge of #18011 - Wilfred:op_queue_doc_comments, r=Veykril

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internal: Add doc comments to OpQueue

I spent a while debugging some OpQueue behaviours and found the API slightly confusing, so I've added doc comments to clarify what each OpQueue method does.
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bors 2024-08-31 04:54:50 +00:00
commit 1a84cd68a8
1 changed files with 11 additions and 0 deletions
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11
crates/rust-analyzer/src/op_queue.rs
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@ -37,9 +37,13 @@ impl<Args, Output: Default> Default for OpQueue<Args, Output> {
}
impl<Args, Output> OpQueue<Args, Output> {
/// Request an operation to start.
pub(crate) fn request_op(&mut self, reason: Cause, args: Args) {
self.op_requested = Some((reason, args));
}
/// If there was an operation requested, mark this queue as
/// started and return the request arguments.
pub(crate) fn should_start_op(&mut self) -> Option<(Cause, Args)> {
if self.op_in_progress {
return None;
@ -47,18 +51,25 @@ impl<Args, Output> OpQueue<Args, Output> {
self.op_in_progress = self.op_requested.is_some();
self.op_requested.take()
}
/// Mark an operation as completed.
pub(crate) fn op_completed(&mut self, result: Output) {
assert!(self.op_in_progress);
self.op_in_progress = false;
self.last_op_result = result;
}
/// Get the result of the last operation.
pub(crate) fn last_op_result(&self) -> &Output {
&self.last_op_result
}
// Is there an operation that has started, but hasn't yet finished?
pub(crate) fn op_in_progress(&self) -> bool {
self.op_in_progress
}
// Has an operation been requested?
pub(crate) fn op_requested(&self) -> bool {
self.op_requested.is_some()
}