Module type Camlp4.Sig.Lexer

module type Lexer = sig .. end

module Loc: Camlp4.Sig.Loc 

module Token: Camlp4.Sig.Token  with module Loc = Loc

module Error: Camlp4.Sig.Error 

val mk : unit ->
       Camlp4.Sig.Loc.t ->
       char Stream.t -> (Token.t * Camlp4.Sig.Loc.t) Stream.t