Proposal: Add conspicuously missing Functor instances for tuples

John Wiegley johnw at
Mon Jan 18 21:46:58 UTC 2016

>>>>> Henning Thielemann <lemming at> writes:

> 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.

OK, that's a pretty sound argument against, since this could affect everyone
everywhere, and not just those who opt-in.

John Wiegley                  GPG fingerprint = 4710 CF98 AF9B 327B B80F                          60E1 46C4 BD1A 7AC1 4BA2

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