scalaz
Derive a Semigroup or Monoid instance from an Apply or Applicative.
https://hackage.haskell.org/package/reducers-3.12.1/docs/Data-Semigroup-Applicative.html#t:Ap
Derive a Semigroup or Monoid instance from an Apply or Applicative.
https://hackage.haskell.org/package/reducers-3.12.1/docs/Data-Semigroup-Applicative.html#t:Ap