module Stream:sig..end
type'at ='a Camlp4.Struct.Grammar.Parser.Make.StreamOrig.t
exception Failure = Camlp4.Struct.Grammar.Parser.Make.StreamOrig.Failure
exception Error = Camlp4.Struct.Grammar.Parser.Make.StreamOrig.Error
val peek : 'a Camlp4.Struct.Grammar.Parser.Make.StreamOrig.t -> 'a optionval junk : 'a Camlp4.Struct.Grammar.Parser.Make.StreamOrig.t -> unitval dup : 'a Stream.t -> 'a Stream.t