Module Camlp4.Sig.Token.Filter

module Filter: sig .. end

type token_filter = (Camlp4.Sig.Token.t, Camlp4.Sig.Loc.t) Camlp4.Sig.stream_filter 

type t 

val mk : (string -> bool) -> t

val define_filter : t ->
       (token_filter -> token_filter) ->
       unit

val filter : t -> token_filter

val keyword_added : t -> string -> bool -> unit

val keyword_removed : t -> string -> unit