What Haskell users are actively maintaining or deving software using ghc <8

[Henning Thielemann]

On Wed, 27 May 2020, Joseph C. Sible wrote:

> On Wed, May 27, 2020 at 5:27 PM Henning Thielemann wrote:
>
>> What linter can easily catch "instance Foldable ((,) a)"?
>
> HLint can: for example, if you run hlint on a file containing "foo =
> maximum (4,2)", it says "Warning: Using maximum on tuple"

maximum . (f&&&g)   ?