1 files changed, 6 insertions, 9 deletions
diff --git a/src/Process/Shell.hs b/src/Process/Shell.hs
index 4b26512..06c9dbe 100644
--- a/src/Process/Shell.hs
+++ b/src/Process/Shell.hs
@@ -32,26 +32,23 @@ import Text.Megaparsec
 import Text.Megaparsec.Char
 import Prelude hiding (exp)
 
-class Processable a r where
-  sh_ :: a -> r
+class Processable r where
+  sh_ :: String -> r
 
-instance (Processable a r) => Processable (String -> a) (String -> r) where
-  sh_ f x = sh_ (f x)
-
-instance (MonadIO m) => Processable String (m ()) where
+instance (MonadIO m) => Processable (m ()) where
   sh_ s = do
     liftIO (runProcess_ (fromString s))
 
-instance (MonadIO m, Outputable a) => Processable String (m a) where
+instance (MonadIO m, Outputable a) => Processable (m a) where
   sh_ s = do
     fromLBS <$> liftIO (readProcessInterleaved_ (fromString s))
 
-instance (MonadIO m, Outputable stdout, Outputable stderr) => Processable String (m (stdout, stderr)) where
+instance (MonadIO m, Outputable stdout, Outputable stderr) => Processable (m (stdout, stderr)) where
   sh_ s = do
     (\(out, err) -> (fromLBS out, fromLBS err))
       <$> liftIO (readProcess_ (fromString s))
 
-instance (MonadIO m, Outputable stdout, Outputable stderr) => Processable String (m (ExitCode, stdout, stderr)) where
+instance (MonadIO m, Outputable stdout, Outputable stderr) => Processable (m (ExitCode, stdout, stderr)) where
   sh_ s = do
     (\(exitCode, out, err) -> (exitCode, fromLBS out, fromLBS err))
       <$> liftIO (readProcess (fromString s))