{"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
                let is_builtin = match self.expr_ty_without_adjust(*expr).kind(Interner) {
            Expr::UnaryOp { expr, op: hir_def::hir::UnaryOp::Deref } => {
                    TyKind::Ref(..) | TyKind::Raw(..) => true,