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Improve readability be replacing hard-to-read if-else branches with a match

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This commit is contained in:
Paul Daniel Faria 2020-06-23 19:35:09 -04:00
parent a8a606cdc4
commit 0d87eee3a9
1 changed files with 20 additions and 16 deletions
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10
crates/ra_ide/src/syntax_highlighting.rs
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@ -372,7 +372,8 @@ impl HighlightedRangeStack {
} else {
let maybe_idx =
prev.iter().position(|parent| parent.range.contains(child.range.start()));
if let (Some(_), Some(idx)) = (overwrite_parent, maybe_idx) {
match (overwrite_parent, maybe_idx) {
(Some(_), Some(idx)) => {
Self::intersect_partial(&mut prev[idx], &child);
let insert_idx = if prev[idx].range.is_empty() {
prev.remove(idx);
@ -381,17 +382,20 @@ impl HighlightedRangeStack {
idx + 1
};
prev.insert(insert_idx, child);
} else if let None = maybe_idx {
}
(_, None) => {
let idx = prev
.binary_search_by_key(&child.range.start(), |range| range.range.start())
.unwrap_or_else(|x| x);
prev.insert(idx, child);
} else {
}
_ => {
unreachable!("child range should be completely contained in parent range");
}
}
}
}
}
fn add(&mut self, range: HighlightedRange) {
self.stack