val equal : t -> t -> Ppx_deriving_runtime.boolval compare : t -> t -> Ppx_deriving_runtime.intval compare_num_rows : t -> t -> intval init_with_vec : vec -> tval append_row : t -> vec -> tval get_row : t -> int -> vecval remove_row : t -> int -> tval remove_zero_rows : t -> tval add_empty_columns : t -> int array -> tval set_col : t -> vec -> int -> tval del_cols : t -> int array -> tval find_opt : (vec -> bool) -> t -> vec optionval reduce_col : t -> int -> tval normalize : t -> t Stdlib.Option.tval is_covered_by : t -> t -> bool