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authorJasper Van der Jeugt <m@jaspervdj.be>2017-06-19 11:57:23 +0200
committerJasper Van der Jeugt <m@jaspervdj.be>2017-06-19 11:57:23 +0200
commit67ecff7ad383640bc73d64edc2506c7cc648a134 (patch)
tree6d328e43c3ab86c29a2d775fabaa23618c16fb51 /lib/Hakyll/Core/Item
parent2df3209bafa08e6b77ee4a8598fc503269513527 (diff)
downloadhakyll-67ecff7ad383640bc73d64edc2506c7cc648a134.tar.gz
Move src/ to lib/, put Init.hs in src/
Diffstat (limited to 'lib/Hakyll/Core/Item')
-rw-r--r--lib/Hakyll/Core/Item/SomeItem.hs23
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/Hakyll/Core/Item/SomeItem.hs b/lib/Hakyll/Core/Item/SomeItem.hs
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+++ b/lib/Hakyll/Core/Item/SomeItem.hs
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+--------------------------------------------------------------------------------
+{-# LANGUAGE DeriveDataTypeable #-}
+{-# LANGUAGE ExistentialQuantification #-}
+module Hakyll.Core.Item.SomeItem
+ ( SomeItem (..)
+ ) where
+
+
+--------------------------------------------------------------------------------
+import Data.Binary (Binary)
+import Data.Typeable (Typeable)
+
+
+--------------------------------------------------------------------------------
+import Hakyll.Core.Item
+import Hakyll.Core.Writable
+
+
+--------------------------------------------------------------------------------
+-- | An existential type, mostly for internal usage.
+data SomeItem = forall a.
+ (Binary a, Typeable a, Writable a) => SomeItem (Item a)
+ deriving (Typeable)