diff --git a/crates/ide-db/src/search.rs b/crates/ide-db/src/search.rs index 9e01a6d44083..d9af9f187172 100644 --- a/crates/ide-db/src/search.rs +++ b/crates/ide-db/src/search.rs @@ -503,6 +503,20 @@ impl<'a> FindUsages<'a> { if !search_range.contains_inclusive(offset) { return None; } + // If this is not a word boundary, that means this is only part of an identifier, + // so it can't be what we're looking for. + // This speeds up short identifiers significantly. + if text[..idx] + .chars() + .next_back() + .is_some_and(|ch| matches!(ch, 'A'..='Z' | 'a'..='z' | '_')) + || text[idx + finder.needle().len()..] + .chars() + .next() + .is_some_and(|ch| matches!(ch, 'A'..='Z' | 'a'..='z' | '_' | '0'..='9')) + { + return None; + } Some(offset) }) }