Re: [Haskell-cafe] Textbook example of instance Foldable ((,)a)

On Tue, 24 Nov 2020, Henning Thielemann wrote:

If people would use custom pair types we would not need Foldable on pairs, at all.

To be fair, if people would use custom pair types we would not need *pairs* at all. --Barak Pearlmutter