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camlspotter committed 496d7fa

range introduced

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Files changed (1)

 
 module Sexp = Sexplib.Sexp (* No open Sexplib, since Parser corrides with Sexplib.Parser *)
 
+type region = (int * int) option (* [None] means the whole file *)
+
 (** [l] is in the interested area or not? *)
-let check_line l = function
+let check_line : int -> region -> [> `Before | `Inside | `Over ] = fun l -> function
   | None -> `Inside
   | Some (start, end_) ->
       if l < start then `Before
       else `Over
 
 module Printer : sig
-  type t = (int * int) option
-  val print_debug  : t -> int-> string -> unit
-  val print_string : t -> int -> string -> unit
+  val print_debug  : region -> int-> string -> unit
+  val print_string : region -> int -> string -> unit
 end = struct
 
-  type t = (int * int) option
-
   let print_debug t lnum s = match check_line lnum t with
     | `Before | `Over -> ()
     | `Inside -> print_string s
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