val create : ?align:Align.t ‑> ?min_width:int ‑> ?max_width:int ‑> ?show:[ `Yes | `No | `If_not_empty ] ‑> string ‑> ('a ‑> string) ‑> 'a tcreates a column given the header and the to-string function
val create_attr : ?align:Align.t ‑> ?min_width:int ‑> ?max_width:int ‑> ?show:[ `Yes | `No | `If_not_empty ] ‑> string ‑> ('a ‑> Console.Ansi.attr list * string) ‑> 'a tlike create, except that the to_string function must provide a list of attributes.