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-rw-r--r--examples/nqueens/NQueensAscii.gf4
1 files changed, 3 insertions, 1 deletions
diff --git a/examples/nqueens/NQueensAscii.gf b/examples/nqueens/NQueensAscii.gf
index 261d28f7a..a5bb2ed76 100644
--- a/examples/nqueens/NQueensAscii.gf
+++ b/examples/nqueens/NQueensAscii.gf
@@ -1,8 +1,10 @@
concrete NQueensAscii of NQueens = NatAscii ** {
-lincat Matrix, Vec = Str ;
+lincat S, Matrix, Vec = Str ;
ListNat, Sat = {} ;
+lin queens m = m ;
+
lin nilV _ _ = "" ;
consV _ j k _ _ v = j ++ "X" ++ k ++ ";" ++ v ;