diff options
| -rw-r--r-- | XMonad/Core.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/XMonad/Core.hs b/XMonad/Core.hs index 05f2b9b..fc7040f 100644 --- a/XMonad/Core.hs +++ b/XMonad/Core.hs @@ -123,7 +123,7 @@ instance (Monoid a) => Monoid (X a) where mappend = liftM2 mappend type ManageHook = Query (Endo WindowSet) -newtype Query a = Query (ReaderT Window X a) deriving (Functor, Monad, MonadReader Window) +newtype Query a = Query (ReaderT Window X a) deriving (Functor, Monad, MonadReader Window, MonadIO) runManageHook :: ManageHook -> Window -> X (WindowSet -> WindowSet) runManageHook (Query m) w = appEndo <$> runReaderT m w |