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Within LTS Haskell 24.27 (ghc-9.10.3)

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1. nonEmpty :: forall (b :: Type -> Type) a . Functor b => Wizard b [a] -> Wizard b [a]

   wizards	System.Console.Wizard

   Simply validator (not . null), makes a wizard fail if it gets an empty string.

2. nonEmpty :: [a] -> Maybe (NonEmpty a)

   redis-resp	Data.Redis.Command

   nonEmpty efficiently turns a normal list into a NonEmpty stream, producing Nothing if the input is empty.

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