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Boxed rep 2020 10 08 #177

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Boxed rep 2020 10 08 #177

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1ea895a
Support BoxedRep
andrewthad Nov 29, 2019
0d68bf1
Change base bound to GHC bound in ifdef
andrewthad May 18, 2020
de15182
Bump GHC version in ifdefs to 901
andrewthad Oct 8, 2020
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14 changes: 14 additions & 0 deletions src/Data/Binary/Class.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,10 @@ import Numeric.Natural

import qualified Data.Fixed as Fixed

#if __GLASGOW_HASKELL__ >= 901
import GHC.Exts (Levity(Lifted,Unlifted))
#endif

--
-- This isn't available in older Hugs or older GHC
--
Expand Down Expand Up @@ -879,8 +883,13 @@ instance Binary RuntimeRep where
put (VecRep a b) = putWord8 0 >> put a >> put b
put (TupleRep reps) = putWord8 1 >> put reps
put (SumRep reps) = putWord8 2 >> put reps
#if __GLASGOW_HASKELL__ >= 901
put (BoxedRep Lifted) = putWord8 3
put (BoxedRep Unlifted) = putWord8 4
#else
put LiftedRep = putWord8 3
put UnliftedRep = putWord8 4
#endif
put IntRep = putWord8 5
put WordRep = putWord8 6
put Int64Rep = putWord8 7
Expand All @@ -905,8 +914,13 @@ instance Binary RuntimeRep where
0 -> VecRep <$> get <*> get
1 -> TupleRep <$> get
2 -> SumRep <$> get
#if __GLASGOW_HASKELL__ >= 901
3 -> pure (BoxedRep Lifted)
4 -> pure (BoxedRep Unlifted)
#else
3 -> pure LiftedRep
4 -> pure UnliftedRep
#endif
5 -> pure IntRep
6 -> pure WordRep
7 -> pure Int64Rep
Expand Down