@viktorklang FYI, foldMap: Monoid[B] => Foldable[T] => (A => B) => T[A] => B, sometimes called "map/reduce."
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@viktorklang FYI, foldMap: Monoid[B] => Foldable[T] => (A => B) => T[A] => B, sometimes called "map/reduce."
