Comparing StableNames of different type
emax at chalmers.se
Fri Aug 24 11:39:32 CEST 2012
2012-08-24 11:18, Emil Axelsson skrev:
> 2012-08-24 11:08, Simon Marlow skrev:
>> On 24/08/2012 07:39, Emil Axelsson wrote:
>>> Are there any dangers in comparing two StableNames of different type?
>>> stEq :: StableName a -> StableName b -> Bool
>>> stEq a b = a == (unsafeCoerce b)
>>> I could guard the coercion by first comparing the type representations,
>>> but that would give me a `Typeable` constraint that would spread
>>> throughout the code.
>> I think that's probably OK.
> OK, good! How about putting this function in the library so that people
> don't have to hack it up themselves?
Oops, I did not intend to sound suggestive :) I was more wondering if
people think it would be a good idea. If so, I can make a proposal.
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