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Add DeriveAnyClass to UVerb.lhs (not implied by DerivingVia on 8.6.5)

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Gaël Deest 2021-04-09 16:19:51 +02:00
parent 81a73dfcda
commit f30b72cc90
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doc/cookbook/uverb/UVerb.lhs
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@ -15,6 +15,7 @@ handlers that respond with arbitrary open unions of types.
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DerivingVia #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}