23 lines
812 B
Haskell
23 lines
812 B
Haskell
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{-# LANGUAGE DeriveDataTypeable #-}
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{-# LANGUAGE ExistentialQuantification #-}
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module Hakyll.Core.Item.SomeItem
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( SomeItem (..)
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) where
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import Data.Binary (Binary)
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import Data.Typeable (Typeable)
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import Hakyll.Core.Item
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import Hakyll.Core.Writable
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-- | An existential type, mostly for internal usage.
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data SomeItem = forall a.
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(Binary a, Typeable a, Writable a) => SomeItem (Item a)
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deriving (Typeable)
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