sig
type ('a, 'b) t
val unit : (unit, string) Dispatch_arg.Spec.Result.t
val ok : (unit, string) Dispatch_arg.Spec.Result.t
val bool : (bool, string) Dispatch_arg.Spec.Result.t
val big_string : (Core.Std.Bigstring.t, string) Dispatch_arg.Spec.Result.t
val string : (string, string) Dispatch_arg.Spec.Result.t
val int : (int, string) Dispatch_arg.Spec.Result.t
val list :
?sep:string ->
('a, string) Dispatch_arg.Spec.Result.t ->
('a list, string) Dispatch_arg.Spec.Result.t
val create : ('a -> 'b) -> ('a, 'b) Dispatch_arg.Spec.Result.t
end