diff options
Diffstat (limited to 'examples/Pipes.hs')
| -rw-r--r-- | examples/Pipes.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/examples/Pipes.hs b/examples/Pipes.hs index 7b50f93..b1096e3 100644 --- a/examples/Pipes.hs +++ b/examples/Pipes.hs @@ -37,7 +37,8 @@ runMain :: forall m a i o. (MonadIO m, Coalpit a, Coalpit i, Coalpit o) -> m () runMain e f = do pn <- liftIO getProgName - let u = Prelude.concat ["Usage: ", pn, " ", usage defOpt (Proxy :: Proxy a)] + let u = Prelude.concat [ "Usage: ", pn, " " + , usageString defOpt (Proxy :: Proxy a)] args <- liftIO getArgs a <- either (liftIO . die . (++ u)) pure $ fromArgs defOpt args runEffect $ |