UUID deriving Generic

haskell-hvr · Jan 10, 2017 · 66372d6 · 66372d6
1 parent 716d80a
commit 66372d6
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/uuid-types/Data/UUID/Types/Internal.hs b/uuid-types/Data/UUID/Types/Internal.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE DeriveDataTypeable, TypeFamilies, CPP #-}
+{-# LANGUAGE DeriveDataTypeable, TypeFamilies, CPP, DeriveGeneric #-}
 {-# OPTIONS_HADDOCK hide #-}
 
 -- |
@@ -47,6 +47,7 @@ import Data.Bits
 import Data.Hashable
 import Data.List (elemIndices)
 import Foreign.Ptr (Ptr)
+import GHC.Generics (Generic)
 
 #if MIN_VERSION_base(4,0,0)
 import Data.Data
@@ -81,7 +82,8 @@ data UUID
          {-# UNPACK #-} !Word32
          {-# UNPACK #-} !Word32
          {-# UNPACK #-} !Word32
-    deriving (Eq, Ord, Typeable)
+    deriving (Eq, Generic, Ord, Typeable)
+
 {-
     Other representations that we tried are:
          Mimic V1 structure:     !Word32 !Word16 !Word16 !Word16

diff --git a/uuid-types/uuid-types.cabal b/uuid-types/uuid-types.cabal
@@ -29,6 +29,8 @@ Source-Repository head
     Subdir:            uuid-types
 
 Library
+    if impl(ghc)
+        Build-Depends: ghc-prim
     Build-Depends:     base       >= 3       && < 5,
                        binary     >= 0.4     && < 0.9,
                        bytestring >= 0.9     && < 0.11,