Try fixing build on GHC 8.6.5

This commit is contained in:
Tom McLaughlin 2021-05-27 19:01:03 -06:00
parent 29b02d00aa
commit a1ec61b6dd

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@ -15,6 +15,7 @@
{-# LANGUAGE GADTs #-}
{-# LANGUAGE UndecidableInstances #-}
{-# LANGUAGE InstanceSigs #-}
{-# LANGUAGE CPP #-}
-- | The core Spec/SpecCommand types, used to define the test free monad.
@ -36,6 +37,10 @@ import GHC.Stack
import GHC.TypeLits
import Safe
#if !MIN_VERSION_base(4,13,0)
import Control.Monad.Fail
#endif
-- * ExampleM monad
newtype ExampleT context m a = ExampleT { unExampleT :: ReaderT context (LoggingT m) a }