Proposal: Add hasBitSize to Data.Bits.Bits

[Johan Tibell]

On Mon, Aug 13, 2012 at 2:48 PM, Henning Thielemann
<lemming at henning-thielemann.de> wrote:
> How about two versions of 'bitSize' - one with Maybe return type in the Bits
> class and one without Maybe in a FixedBitSize subclass?

Is this worth breaking existing users of bitSize over? If anything it
seems more worthwhile to throw out Integer from the Bits class and
declare Bits to be for fixed sized entities.