Re: [Haskell-cafe] Custom Enum instance with non-consecutive indices

On Sat, 2012-11-17 at 16:27 +0100, Herbert Valerio Riedel wrote:

what do you hope to gain from making your flags type an instance of the Enum class?

Among others, the ability to list all flags using "[Flag1 ..]" How is this handled for libraries wrapping C libs which use some bitset structure? Nicolas