Clean up compiler warnings.

[dead/halcyon.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index 7025b4bb1544c43fe4d54ebaa92df6a1c4920970..f6fd170ed1c2073827e33522b675747581b9af83 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -58,7 +58,7 @@ recurse username latest_status_id maybe_message = do
         recurse username latest_status_id maybe_message
       _ -> do
         let new_latest_status_id = get_max_status_id new_statuses
-        mapM (putStrLn . pretty_print) new_statuses
+        _ <- mapM (putStrLn . pretty_print) new_statuses
 
         case maybe_message of
           Nothing -> do
@@ -68,7 +68,7 @@ recurse username latest_status_id maybe_message = do
              date_header <- construct_date_header
              let messages = map (message_from_status message (date_header)) new_statuses
              sendmail_results <- mapM sendmail messages
-             mapM print_sendmail_result sendmail_results
+             _ <- mapM print_sendmail_result sendmail_results
              recurse username new_latest_status_id maybe_message
              return ()
 
@@ -138,16 +138,16 @@ main = do
                       case from_address of
                         Nothing -> Nothing
                         Just fromaddr ->
-                            Just (Message { headers = [],
+                            Just (Message { headers = default_headers,
                                             body = "",
                                             subject = "",
                                             to = toaddr,
                                             from = fromaddr })
 
   -- Execute run_twat on each username in a new thread.
-  mapM (forkIO . (run_twat message)) usernames
+  _ <- mapM (forkIO . (run_twat message)) usernames
 
-  forever $ do
+  _ <- forever $ do
     -- This thread (the one executing main) doesn't do anything,
     -- but when it terminates, so do all the threads we forked.
     -- As a result, we need to keep this thread on life support.