{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"|"}]}
                    | (OperandValue::Pair(_, _), OperandValue::Pair(_, _)) => {
                    (OperandValue::Immediate(_), OperandValue::Immediate(_))
                        let true_val = args[1].immediate_or_packed_pair(self);