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Fix Hashable Eq constraint issue (#2422)

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Ranjeet Ranjan 2023-07-05 22:25:58 +05:30 committed by GitHub
parent 511043b892
commit 66c349c46f
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src/Streamly/Internal/Data/IsMap/HashMap.hs
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@ -20,7 +20,11 @@ import Streamly.Internal.Data.IsMap (IsMap(..))
import qualified Data.HashMap.Strict as HashMap
#if MIN_VERSION_hashable(1,4,0)
instance (Hashable k) => IsMap (HashMap.HashMap k) where
#else
instance (Hashable k, Eq k) => IsMap (HashMap.HashMap k) where
#endif
type Key (HashMap.HashMap k) = k
mapEmpty = HashMap.empty