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Add MonadMask instance for Handler

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This commit is contained in:
Moritz Kiefer 2018-11-03 21:41:23 +01:00
parent 58ccae1ca0
commit 95e66fa398
1 changed files with 2 additions and 2 deletions
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4
servant-server/src/Servant/Server/Internal/Handler.hs
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@ -11,7 +11,7 @@ import Prelude.Compat
import Control.Monad.Base
(MonadBase (..))
import Control.Monad.Catch
(MonadCatch, MonadThrow)
(MonadCatch, MonadMask, MonadThrow)
import Control.Monad.Error.Class
(MonadError)
import Control.Monad.IO.Class
@ -29,7 +29,7 @@ newtype Handler a = Handler { runHandler' :: ExceptT ServantErr IO a }
deriving
( Functor, Applicative, Monad, MonadIO, Generic
, MonadError ServantErr
, MonadThrow, MonadCatch
, MonadThrow, MonadCatch, MonadMask
)
instance MonadBase IO Handler where