From 5f1220bd5d1b6893a4e2c0a179b3244a12eae6c8 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Mon, 25 Oct 2010 02:28:17 -0400
Subject: [PATCH] Clean up compiler warnings.

---
 src/Mail.hs        | 7 +++----
 src/Main.hs        | 8 ++++----
 src/Twitter/Xml.hs | 1 -
 3 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/Mail.hs b/src/Mail.hs
index c93a6cf..7f0fd8b 100644
--- a/src/Mail.hs
+++ b/src/Mail.hs
@@ -4,7 +4,6 @@ module Mail
 where
 
 import Control.Concurrent
-import Control.Concurrent.MVar
 import Control.Exception (evaluate)
 import Data.List (intercalate)
 import System.Exit
@@ -122,9 +121,9 @@ sendmail message = do
   errm <- newEmptyMVar
   errs <- hGetContents errh
 
-  forkIO $ hPutStr inh (show message) >> hClose inh
-  forkIO $ evaluate (length outs) >> putMVar outm ()
-  forkIO $ evaluate (length errs) >> putMVar errm ()
+  _ <- forkIO $ hPutStr inh (show message) >> hClose inh
+  _ <- forkIO $ evaluate (length outs) >> putMVar outm ()
+  _ <- forkIO $ evaluate (length errs) >> putMVar errm ()
 
   readMVar outm
   readMVar errm
diff --git a/src/Main.hs b/src/Main.hs
index de20989..f6fd170 100644
--- 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 ()
 
@@ -145,9 +145,9 @@ main = do
                                             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.
diff --git a/src/Twitter/Xml.hs b/src/Twitter/Xml.hs
index b34c6fb..8ffd9dd 100644
--- a/src/Twitter/Xml.hs
+++ b/src/Twitter/Xml.hs
@@ -2,7 +2,6 @@
 module Twitter.Xml
 where
 
-import Data.Maybe
 import Test.HUnit
 import Text.Regex (mkRegex, subRegex)
 import Text.XML.HaXml
-- 
2.43.2