Rodrigo Setti created THRIFT-1927:
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Summary: Add Haskell required Hashable instances
Key: THRIFT-1927
URL: https://issues.apache.org/jira/browse/THRIFT-1927
Project: Thrift
Issue Type: Bug
Components: Haskell - Library
Reporter: Rodrigo Setti
Some higher level structures are not working because they're not Hashable. The
following code fix that - it should probably live in Thrift main module:
{noformat}
import Data.Hashable (Hashable)
import qualified Data.HashMap.Strict as Map
import qualified Data.HashSet as Set
import qualified Data.Vector as Vector
instance Hashable a => Hashable (Vector.Vector a) where
hashWithSalt s v = hashWithSalt s $ Vector.toList v
instance (Hashable a, Hashable b) => Hashable (Map.HashMap a b) where
hashWithSalt s v = hashWithSalt s $ Map.toList v
instance Hashable a => Hashable (Set.HashSet a) where
hashWithSalt s v = hashWithSalt s $ Set.toList v
{noformat}
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