{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"OperandValueBuilder::Vector(v)"}]}
            OperandValueBuilder::Vector(v) => match v {
            OperandValueBuilder::Pair(a, b) => OperandValue::Pair(unwrap(a), unwrap(b)),
                Either::Left(v) => OperandValue::Immediate(v),