sig
type 'a t = 'a Camlp4.Struct.Grammar.Parser.Make.StreamOrig.t
exception Failure
exception Error of string
val peek : 'a Camlp4.Struct.Grammar.Parser.Make.StreamOrig.t -> 'a option
val junk : 'a Camlp4.Struct.Grammar.Parser.Make.StreamOrig.t -> unit
val dup : 'a Stream.t -> 'a Stream.t
end