Re:Ask HN: How to be fluent in functional language speak?
by centimeter on Wednesday May 06, 2020 @11:50AM
(#23092409)
> "functions that can sensibly be used in a call to array.reduce"
You can use any function you want in a fold in Haskell. You're conflating two typeclasses, Monoids and Foldables, and restricting yourself to the function known in Haskell as foldMap.
You can use any function you want in a fold in Haskell. You're conflating two typeclasses, Monoids and Foldables, and restricting yourself to the function known in Haskell as foldMap.