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Module type Syscall_result_intf.Arg

module type Arg = sig .. end
type t 
val to_int : t -> int
to_int t must be >= 0, otherwise create_ok will raise.
val of_int_exn : int -> t
val compare : t -> t -> int
val sexp_of_t : t -> Sexplib.Sexp.t

to_int t must be >= 0, otherwise create_ok will raise.