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[smlnj] View of /tests/trunk/bugs/tests.obsolete/bug393.sml
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View of /tests/trunk/bugs/tests.obsolete/bug393.sml

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Revision 2460 - (download) (annotate)
Sat Apr 28 20:18:10 2007 UTC (12 years, 1 month ago) by gkuan
File size: 371 byte(s)
(* bug393.sml *)

type ('a,'b) bogus = 'a;
val x = 0 : (int,int) bogus; (* really int *)
val y = 1 : (int,int list) bogus; (* really int *)
fun f (x:'a,y:'a) = ();  (* force the types to unify *)
f (x,y);  (* unify (int,int) bogus and (int,int list) bogus *)
	  (* should be equivalent to unifying int with int  *)
	  (* but it's not                                   *)

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