icative f, Indexable Int p)
          => LensLike (Indexing f) s t a a
          -> Int
          -> IndexedLensLike p f s t a a
elementOf l p = elementsOf l (p ==)
{-# INLINE elemen
elementOf :: (Applicative f, Indexable Int p)
          => LensLike (Indexing f) s t a a
          -> Int
          -> IndexedLensLike p f s t a a
elementOf l p = elementsOf l (p ==)
elementOf l p = elementsOf l (p ==)