Module type Plexing.S
val tok_pattern_eq : 'a pattern -> 'b pattern -> ('a, 'b) Util.eq option
val tok_pattern_strings : 'c pattern -> string * string option
val tok_func : ?loc:Loc.t -> (unit, char) Stream.t -> (keyword_state, te) LStream.t
Returning a stream equipped with a location function
module State : sig ... end