OpamSysPkginclude OpamStd.ABSTRACT with type t := tval of_string : string -> tval to_string : t -> stringval to_json : t -> OpamJson.tval of_json : OpamJson.t -> t optionmodule Set : OpamStd.SET with type elt = tmodule Map : OpamStd.MAP with type key = tval raw_set : OpamStd.String.Set.t -> Set.ttype status = {s_available : Set.t;Package available but not installed
*)s_not_found : Set.t;Package unavailable on this system
*)}System packages status
val status_empty : statusval string_of_status : status -> string