[project @ 2003-10-09 11:58:39 by simonpj]

[ghc-hetmet.git] / ghc / compiler / deSugar / DsGRHSs.lhs

diff --git a/ghc/compiler/deSugar/DsGRHSs.lhs b/ghc/compiler/deSugar/DsGRHSs.lhs
index 0aef3a6..75c76d6 100644 (file)
--- a/ghc/compiler/deSugar/DsGRHSs.lhs
+++ b/ghc/compiler/deSugar/DsGRHSs.lhs
@@ -52,7 +52,7 @@ dsGRHSs :: TypecheckedMatchContext -> [TypecheckedPat]        -- These are to build a M
        -> DsM (Type, MatchResult)
 
 dsGRHSs kind pats (GRHSs grhss binds ty)
-  = mapDs (dsGRHS kind pats) grhss             `thenDs` \ match_results ->
+  = mappM (dsGRHS kind pats) grhss             `thenDs` \ match_results ->
     let 
        match_result1 = foldr1 combineMatchResults match_results
        match_result2 = adjustMatchResultDs (dsLet binds) match_result1