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[smlnj] View of /tests/trunk/bugs/tests.obsolete/bug33.sml
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View of /tests/trunk/bugs/tests.obsolete/bug33.sml

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Revision 2460 - (download) (annotate)
Sat Apr 28 20:18:10 2007 UTC (12 years, 3 months ago) by gkuan
File size: 375 byte(s)
(* bug33.sml *)

signature Sig1 =  (* illegal -- cyclic *)
sig
  structure a: sig structure b: sig end end
  structure a': sig end sharing a = a'
  structure b': sig end sharing b' = a.b
  sharing a' = b'
end;

signature Sig2 =  (* legal *)
sig
  structure a: sig structure b: sig end end
  structure a': sig end sharing a = a'
  structure b': sig end sharing b' = a.b
end;


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