{"ast_node_type":"other","tokens":[{"end":18,"kind":"keyword","start":0,"text":"}"}]}
            } => {
                op: op @ (hir_def::hir::UnaryOp::Not | hir_def::hir::UnaryOp::Neg),
                let Some((operand, current)) = self.lower_expr_to_some_operand(*expr, current)?