X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcDefaults.lhs;h=9da5d96fb550ac47c596a09878745dcfe5fd6950;hb=80ef1f06253f1a20a63816c295e180e47cd9a347;hp=43f23a329ed6cf4b991cdb46f5e460a9761e67a0;hpb=7fc749a43b4b6b85d234fa95d4928648259584f4;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcDefaults.lhs b/compiler/typecheck/TcDefaults.lhs
index 43f23a3..9da5d96 100644
--- a/compiler/typecheck/TcDefaults.lhs
+++ b/compiler/typecheck/TcDefaults.lhs
@@ -50,7 +50,7 @@ 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 +61,7 @@ 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) }