diff options
Diffstat (limited to 'WMonad.hs')
| -rw-r--r-- | WMonad.hs | 15 |
1 files changed, 3 insertions, 12 deletions
@@ -1,6 +1,6 @@ ----------------------------------------------------------------------------- -- | --- Module : W.hs +-- Module : WMonad.hs -- Copyright : (c) Spencer Janssen 2007 -- License : BSD3-style (see LICENSE) -- @@ -16,7 +16,7 @@ module WMonad ( W, WorkSpace, WState(..), - runW, withDisplay, io, io_, forever, spawn, trace, whenJust + runW, withDisplay, io, spawn, trace, whenJust ) where import StackSet (StackSet) @@ -57,23 +57,14 @@ withDisplay f = gets display >>= f io :: IO a -> W a io = liftIO --- | Lift an IO action into the W monad, discarding any result -io_ :: IO a -> W () -io_ f = liftIO f >> return () - --- | Run an action forever -forever :: (Monad m) => m a -> m b -forever a = a >> forever a - -- | spawn. Launch an external application spawn :: String -> W () -spawn = io_ . runCommand +spawn x = io (runCommand x) >> return () -- | Run a side effecting action with the current workspace. Like 'when' but whenJust :: Maybe a -> (a -> W ()) -> W () whenJust mg f = maybe (return ()) f mg - -- | A 'trace' for the W monad. Logs a string to stderr. The result may -- be found in your .xsession-errors file trace :: String -> W () |