{"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":".unwrap_or(false))"}]}
                    .unwrap_or(false))
                    .map(|(match_expr_ty, ..)| match_expr_ty == pat_ty)
                && types_of_subpatterns_do_match(arm.pat, &self.body, &self.infer)