Num superclass of Bits (Was: Proposal: Remove Show and Eq superclasses of Num)
lemming at henning-thielemann.de
Fri Sep 16 14:12:39 CEST 2011
On Fri, 16 Sep 2011, Herbert Valerio Riedel wrote:
> Just as a side note: I also dislike that the Data.Bits.Bits type-class
> has Num as its superclass; If I need something to be an instance of the
> Bits class for the bit-ops, I don't usually want to be forced to provide
> multiplication and addition operations as well...
Me too. For instance when working with flag sets like in , addition,
multiplication, absolute value, number literals make no sense.
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