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{-# LANGUAGE DerivingVia #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE StandaloneDeriving #-}
module T15831 where
import Data.Functor.Const (Const(..))
import GHC.Exts (Any)
newtype Age = MkAge Int
deriving Eq
via Const Int Any
deriving Ord
via Const Int (Any :: k)
deriving Read
via (forall k. Const Int (Any :: k))
deriving Show
via Const Int a
deriving Enum
via Const Int (a :: k)
deriving Bounded
via (forall a. Const Int a)
deriving Num
via (forall k (a :: k). Const Int a)
newtype Age2 = MkAge2 Int
deriving via Const Int Any instance Eq Age2
deriving via Const Int (Any :: k) instance Ord Age2
deriving via (forall k. Const Int (Any :: k)) instance Read Age2
deriving via Const Int a instance Show Age2
deriving via Const Int (a :: k) instance Enum Age2
deriving via (forall a. Const Int a) instance Bounded Age2
deriving via (forall k (a :: k). Const Int a) instance Num Age2
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