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[smlnj] View of /tests/trunk/bugs/tests.obsolete/bug905.6.sml
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View of /tests/trunk/bugs/tests.obsolete/bug905.6.sml

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Revision 2460 - (download) (annotate)
Sat Apr 28 20:18:10 2007 UTC (12 years, 2 months ago) by gkuan
File size: 527 byte(s)
(* bug905.6.sml *)

functor H(X: sig
	       functor F1(type t): sig val put: t -> unit
				       val get: unit -> t
				   end
	     end)
  = X.F1;

functor F =
  let val lr = ref []
   in H(struct
	  functor F1 (type t) =
	    struct
	      (* t -> unit *)
	      fun put (x : t) = lr := [x]

	      (* unit -> t *)
	      fun get () = hd(!lr)

	    end (* functor F *)
       end)
  end; (* let fctexp *)

structure A = F(type t = unit -> unit);
structure B = F(type t = bool);

val x = B.put true;
val y = (A.get ()) ();


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