- let split = snippet.find('(').unwrap();
- let trait_name = &snippet[0..split];
- let args = &snippet[split + 1 .. snippet.len() - 1];
- err.span_suggestion(
- data.span,
- "use angle brackets instead",
- format!("{}<{}>", trait_name, args),
- Applicability::MaybeIncorrect,
- );
+ if let Some(split) = snippet.find('(') {
+ let trait_name = &snippet[0..split];
+ let args = &snippet[split + 1 .. snippet.len() - 1];
+ err.span_suggestion(
+ data.span,
+ "use angle brackets instead",
+ format!("{}<{}>", trait_name, args),
+ Applicability::MaybeIncorrect,
+ );
+ }