fix for Aeson 2 breaking changes

src/Json.hs

@@ -3,21 +3,22 @@ module Json where
 
 import Data.Aeson
 import Data.Aeson.Types (parse)
-import Data.Text        (Text, unpack)
+import Data.Text        (unpack)
 import Data.List        (intercalate)
 
 import qualified Data.Vector       as V
-import qualified Data.HashMap.Strict as H
+import qualified Data.Aeson.KeyMap as K
+import qualified Data.Aeson.Key    as K
 
 -- | Gets the JSON value of a key
-(|.) :: Object -> Text -> Value
+(|.) :: Object -> Key -> Value
 obj |. key = case parse (.: key) obj of
   Success val -> val
   Error err -> toJSON err
 
 
 -- | Gets the 'String' value of a key
-(|:) :: Object -> Text -> String
+(|:) :: Object -> Key -> String
 obj |: key = repr (obj |. key)
 
 
@@ -27,7 +28,7 @@ repr obj = repr' obj 0 where
   repr' val lev =
     case val of
       Array  x -> intercalate ", " $ mapl (\i -> repr' i lev) x
-      Object x -> newline lev $ concat $ map (dump x lev) $ H.keys x
+      Object x -> newline lev $ concat $ map (dump x lev) $ K.keys x
       String x -> unpack x
       Number x -> show x
       Bool   x -> show x
@@ -35,7 +36,7 @@ repr obj = repr' obj 0 where
   mapl f v = V.toList (V.map f v)
   newline n = if n /= 0 then id else drop 1
   indent l = '\n' : (concat . replicate l) "  "
-  dump o l k = concat [indent l, unpack k, ": ", repr' (o |. k) (l+1)]
+  dump o l k = concat [indent l, K.toString k, ": ", repr' (o |. k) (l+1)]
 
 
 -- | Pretty print a JSON 'Value'

src/Main.hs

@@ -20,7 +20,7 @@ import qualified Data.Text.IO      as T
 -- Data manipulation
 import Data.Text                   (Text)
 import Data.Aeson                  (Value(..), encode, decode, toJSON)
-import Data.HashMap.Strict         (delete)
+import Data.Aeson.KeyMap           (delete)
 import Data.ByteString.Lazy.Char8  (pack, unpack)
 
 -- Misc