{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"T![|=]"}]}
                T![|=]  => BinaryOp::Assignment { op: Some(ArithOp::BitOr) },
                T![^=]  => BinaryOp::Assignment { op: Some(ArithOp::BitXor) },
                T![&=]  => BinaryOp::Assignment { op: Some(ArithOp::BitAnd) },