1/1: Building Ambig1 (Ambig1.idr)
Main> Bye for now!
1/1: Building Ambig2 (Ambig2.idr)
Error: While processing right hand side of keepUnique. Ambiguous elaboration. Possible results:
    Main.Set.toList ?arg
    Main.Vect.toList ?arg

Ambig2.idr:26:21--26:27
    |
 26 | keepUnique {b} xs = toList (fromList xs)
    |                     ^^^^^^

Main> Bye for now!