internal: don't expose impl details out of hir

crates/hir_ty/src/method_resolution.rs

@@ -410,7 +410,7 @@ pub enum LookupMode {
 // This would be nicer if it just returned an iterator, but that runs into
 // lifetime problems, because we need to borrow temp `CrateImplDefs`.
 // FIXME add a context type here?
-pub fn  iterate_method_candidates<T>(
+pub fn iterate_method_candidates<T>(
     ty: &Canonical<Ty>,
     db: &dyn HirDatabase,
     env: Arc<TraitEnvironment>,