Anonymous avatar Anonymous committed 98e114d

add IntMap JSON isntances

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 import qualified Data.HashMap.Strict as H
 import qualified Data.HashSet as HashSet
 import qualified Data.IntSet as IntSet
+import qualified Data.IntMap as IntMap
 import qualified Data.Map as M
 import qualified Data.Set as Set
 import qualified Data.Text as T
     parseJSON = fmap IntSet.fromList . parseJSON
     {-# INLINE parseJSON #-}
+instance ToJSON a => ToJSON (IntMap.IntMap a) where
+    toJSON = toJSON . IntMap.toList
+    {-# INLINE toJSON #-}
+instance FromJSON a => FromJSON (IntMap.IntMap a) where
+    parseJSON = fmap IntMap.fromList . parseJSON
+    {-# INLINE parseJSON #-}
 instance (ToJSON v) => ToJSON (M.Map Text v) where
     toJSON = Object . toJSON
     {-# INLINE toJSON #-}
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