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[smlnj] View of /tests/trunk/bugs/tests.obsolete/bug996.sml
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View of /tests/trunk/bugs/tests.obsolete/bug996.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: 510 byte(s)
(* bug996.sml *)
(* 996. sharing constraints and datatypes *)

signature DERIVED =
sig
(* this doesn't work. *)
  type new_name
  datatype dtype = Constructor of int
(* this does
  datatype dtype = Constructor of int
  type new_name
*)
  sharing type dtype = new_name
end;

functor F1 (structure Derived: DERIVED): DERIVED =
struct
  structure Subtyped = Derived
  open Subtyped
end;

functor F2 (structure Derived: DERIVED): DERIVED =
struct
  structure New = F1 (structure Derived = Derived)
  open New
end;

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