sig
val string_to_item :
?filename:string ->
?tags:Biocaml_gff.tag list ->
unit ->
(string,
(Biocaml_gff.stream_item, Biocaml_gff.parse_error) Core.Result.t)
Biocaml_transform.t
val item_to_string :
?tags:Biocaml_gff.tag list ->
unit -> (Biocaml_gff.stream_item, string) Biocaml_transform.t
end