diff options
Diffstat (limited to '')
| -rw-r--r-- | XMonad/Util/Invisible.hs | 4 | ||||
| -rw-r--r-- | XMonad/Util/WindowState.hs | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/XMonad/Util/Invisible.hs b/XMonad/Util/Invisible.hs index fc18180..2fa8b2b 100644 --- a/XMonad/Util/Invisible.hs +++ b/XMonad/Util/Invisible.hs @@ -22,13 +22,15 @@ module XMonad.Util.Invisible ( , fromIMaybe ) where +import Control.Applicative + -- $usage -- A wrapper data type to store layout state that shouldn't be persisted across -- restarts. A common wrapped type to use is @Maybe a@. -- Invisible derives trivial definitions for Read and Show, so the wrapped data -- type need not do so. -newtype Invisible m a = I (m a) deriving (Monad, Functor) +newtype Invisible m a = I (m a) deriving (Monad, Applicative, Functor) instance (Functor m, Monad m) => Read (Invisible m a) where readsPrec _ s = [(fail "Read Invisible", s)] diff --git a/XMonad/Util/WindowState.hs b/XMonad/Util/WindowState.hs index 5b19a20..4ffc93e 100644 --- a/XMonad/Util/WindowState.hs +++ b/XMonad/Util/WindowState.hs @@ -26,7 +26,7 @@ import XMonad hiding (get, put, modify) import Control.Monad.Reader(ReaderT(..)) import Control.Monad.State.Class import Data.Typeable (Typeable, typeOf) -import Control.Applicative((<$>)) +import Control.Applicative((<$>), Applicative) -- $usage -- -- This module allow to store state data with some 'Window'. @@ -54,7 +54,7 @@ import Control.Applicative((<$>)) -- window. newtype StateQuery s a = StateQuery { getQuery :: Query a - } deriving (Monad, MonadIO, Functor) + } deriving (Monad, MonadIO, Applicative, Functor) packIntoQuery :: (Window -> X a) -> Query a packIntoQuery = Query . ReaderT |