Proposal: Remove Num superclass of Bits
rl at cse.unsw.edu.au
Sat Oct 15 12:56:03 CEST 2011
On 15/10/2011, at 11:11, Ian Lynagh wrote:
> On Sat, Oct 15, 2011 at 11:56:27AM +0200, Bas van Dijk wrote:
>> On 15 October 2011 00:01, Ian Lynagh <igloo at earth.li> wrote:
>>> Removing the Num superclass of Bits was also mentioned, but that would
>>> need its own proposal.
>> Ok, I would like to propose removing the Num superclass of Bits.
> Would we just remove default methods like
> bit i = 1 `shiftL` i
> x `testBit` i = (x .&. bit i) /= 0
The Num superclass is only needed to be able to say 0 and 1. Perhaps we should just add the methods zero and one to Bits?
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