Csv_tool_lib.Split_csvval kv_maps : t -> (string Core.String.Map.t * string Core.String.Map.t) listval header_map : t -> string Core.Int.Map.tval create :
(string Core.String.Map.t * string Core.String.Map.t) list ->
string Core.Int.Map.t ->
tval of_mapped_csv : Mapped_csv.t -> key_spec:Key_specifier.t -> tval to_mapped_csv : t -> Mapped_csv.tval by_key : ?header:bool -> key:string -> Csvlib.Csv.t list -> t listval by_key_from_files : ?header:bool -> key:string -> string list -> t list