On 13.07.2012 19:27, Brandon Allbery wrote:
On Fri, Jul 13, 2012 at 7:29 AM, Aleksey Khudyakov
<alexey.sklad...@gmail.com <mailto:alexey.sklad...@gmail.com>> wrote:
Num inherits from Eq, so Float couldn't have an instance for Num
if we
didn't have that Eq instance.
No more since GHC 7.4. But Eq is indeed superclass of Ord and it Ord
is used a lot.
...but Float's Ord instance is even more dubious than its Eq.
What's wrong with it except for NaN? NaN surely breaks every law but
otherwise it's OK.
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