X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcDefaults.lhs;h=ad5e9b86a6fa37ebaf929247f2e803b2057019de;hb=bf5153b43f3ba517163432d27061c32ae157b830;hp=43f23a329ed6cf4b991cdb46f5e460a9761e67a0;hpb=7fc749a43b4b6b85d234fa95d4928648259584f4;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcDefaults.lhs b/compiler/typecheck/TcDefaults.lhs
index 43f23a3..ad5e9b8 100644
--- a/compiler/typecheck/TcDefaults.lhs
+++ b/compiler/typecheck/TcDefaults.lhs
@@ -29,6 +29,7 @@ import DynFlags
 import SrcLoc
 import Maybe
 import Outputable
+import FastString
 \end{code}
 
 \begin{code}
@@ -50,7 +51,7 @@ tcDefaults []
 	-- defaultDefaultTys
 
 tcDefaults [L locn (DefaultDecl [])]
-  = returnM (Just [])		-- Default declaration specifying no types
+  = return (Just [])		-- Default declaration specifying no types
 
 tcDefaults [L locn (DefaultDecl mono_tys)]
   = setSrcSpan locn 			$
@@ -61,7 +62,7 @@ tcDefaults [L locn (DefaultDecl mono_tys)]
 	; let deflt_clss | ovl_str   = [num_class, is_str_class]
 			 | otherwise = [num_class]
 
-	; tau_tys <- mappM (tc_default_ty deflt_clss) mono_tys
+	; tau_tys <- mapM (tc_default_ty deflt_clss) mono_tys
     
 	; return (Just tau_tys) }