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Diffstat (limited to 'src/Language/GraphQL/Trans.hs')
| -rw-r--r-- | src/Language/GraphQL/Trans.hs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Language/GraphQL/Trans.hs b/src/Language/GraphQL/Trans.hs index 5ca72e9..d92aea7 100644 --- a/src/Language/GraphQL/Trans.hs +++ b/src/Language/GraphQL/Trans.hs @@ -9,6 +9,7 @@ import Control.Monad.Trans.Class (MonadTrans(..)) import Control.Monad.Trans.Except (ExceptT) import Data.Text (Text) +-- | Monad transformer stack used by the resolvers to provide error handling. newtype ActionT m a = ActionT { runActionT :: ExceptT Text m a } instance Functor m => Functor (ActionT m) where |