1 files changed, 31 insertions, 0 deletions
diff --git a/src/Language/GraphQL/Class.hs b/src/Language/GraphQL/Class.hs
index 3f52a13..b363fd0 100644
--- a/src/Language/GraphQL/Class.hs
+++ b/src/Language/GraphQL/Class.hs
@@ -14,6 +14,7 @@ module Language.GraphQL.Class
 import Data.Foldable (toList)
 import Data.Int (Int8, Int16, Int32, Int64)
 import Data.Text (Text)
+import Data.Word (Word8, Word16, Word32, Word64)
 import qualified Data.Text.Read as Text.Read
 import Data.Vector (Vector)
 import qualified Data.Vector as Vector
@@ -50,6 +51,21 @@ instance ToGraphQL Int32 where
 instance ToGraphQL Int64 where
     toGraphQL = Type.Int . fromIntegral
 
+instance ToGraphQL Word where
+    toGraphQL = Type.Int . fromIntegral
+
+instance ToGraphQL Word8 where
+    toGraphQL = Type.Int . fromIntegral
+
+instance ToGraphQL Word16 where
+    toGraphQL = Type.Int . fromIntegral
+
+instance ToGraphQL Word32 where
+    toGraphQL = Type.Int . fromIntegral
+
+instance ToGraphQL Word64 where
+    toGraphQL = Type.Int . fromIntegral
+
 instance ToGraphQL a => ToGraphQL [a] where
     toGraphQL = Type.List . fmap toGraphQL
 
@@ -87,6 +103,21 @@ instance FromGraphQL Int32 where
 instance FromGraphQL Int64 where
     fromGraphQL = fromGraphQLToIntegral
 
+instance FromGraphQL Word where
+    fromGraphQL = fromGraphQLToIntegral
+
+instance FromGraphQL Word8 where
+    fromGraphQL = fromGraphQLToIntegral
+
+instance FromGraphQL Word16 where
+    fromGraphQL = fromGraphQLToIntegral
+
+instance FromGraphQL Word32 where
+    fromGraphQL = fromGraphQLToIntegral
+
+instance FromGraphQL Word64 where
+    fromGraphQL = fromGraphQLToIntegral
+
 instance FromGraphQL a => FromGraphQL [a] where
     fromGraphQL (Type.List value) = traverse fromGraphQL value
     fromGraphQL _ = Nothing