{"ast_node_type":"variable","tokens":[{"end":93,"kind":"keyword","start":0,"text":"let"}]}
                        let opt_ty = match expected_ty.as_ref().map(|it| it.kind(Interner)) {
                        let expected_ty = expected.to_option(&mut self.table);
                            Some(TyKind::Scalar(Scalar::Int(_) | Scalar::Uint(_))) => expected_ty,