X-Git-Url: http://gitweb.michael.orlitzky.com/?p=haeredes.git;a=blobdiff_plain;f=src%2FMain.hs;h=4da383352360ee4a37a552805a5da88897c27c4f;hp=0c215b758a59501b6d4c8bd049a5dd4cab53e9ee;hb=7d54d3e3e239342eae8b7fda5f5e4fb43adbbde8;hpb=fa4220513eb9d2036c3db0cc9c518c6346050318

diff --git a/src/Main.hs b/src/Main.hs
index 0c215b7..4da3833 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -4,6 +4,7 @@ where
 import Control.Concurrent.ParallelIO.Global (
   parallel,
   stopGlobalPool )
+import Control.Monad (unless)
 import qualified Data.ByteString.Char8 as BS (
   getContents,
   pack,
@@ -30,12 +31,11 @@ report :: (Domain, Maybe [Domain]) -> IO ()
 report (d, Nothing) =
   putStrLn $ "Domain " ++ (show d) ++ " not delegated."
 report (d, Just leftovers) =
-  if null leftovers
-  then return ()
-  else putStrLn $ "Domain " ++
-                  (show d) ++
-                  " delegates somewhere else: " ++
-                  (join " " (map show leftovers))
+  unless (null leftovers) $
+    putStrLn $ "Domain " ++
+               (show d) ++
+               " delegates somewhere else: " ++
+               (join " " (map show leftovers))
 
 clean :: [Domain] -- ^ List of delegates, @ds@
       -> LookupResult