Functor Tuple.Sexpable

module Sexpable: 
functor (S1 : Sexpable.S) -> 
functor (S2 : Sexpable.S) -> Sexpable.S  with type t := Make (S1) (S2).t

type t 

val t_of_sexp : Sexplib.Sexp.t -> t

val sexp_of_t : t -> Sexplib.Sexp.t