Proposal: Add conspicuously missing Functor instances for tuples
lemming at henning-thielemann.de
Mon Jan 18 21:22:12 UTC 2016
On Mon, 18 Jan 2016, John Wiegley wrote:
>>>>>> Henning Thielemann <lemming at henning-thielemann.de> writes:
>> I would never use such an instance. Can I be warned if I accidentally use it
> I don't know why "I wouldn't use it" should extend to "it shouldn't exist".
Because I cannot turn it off and I cannot get warning. It is inserted by
GHC whenever it matches, even if I made a mistake when programming.
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