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Diffstat (limited to 'ghc/compiler/deSugar/MatchCon.lhs')
| -rw-r--r-- | ghc/compiler/deSugar/MatchCon.lhs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ghc/compiler/deSugar/MatchCon.lhs b/ghc/compiler/deSugar/MatchCon.lhs index 141f6a7e3d..a874218982 100644 --- a/ghc/compiler/deSugar/MatchCon.lhs +++ b/ghc/compiler/deSugar/MatchCon.lhs @@ -86,7 +86,7 @@ matchConFamily (var:vars) eqns_info get_uniq (EqnInfo _ _ (ConPatOut data_con _ _ _ _ : _) _) = getUnique data_con in -- Now make a case alternative out of each group - mapDs (match_con vars) eqn_groups `thenDs` \ alts -> + mappM (match_con vars) eqn_groups `thenDs` \ alts -> returnDs (mkCoAlgCaseMatchResult var alts) \end{code} @@ -99,7 +99,7 @@ Wadler's chapter in SLPJ. match_con vars (eqn1@(EqnInfo _ _ (ConPatOut data_con (PrefixCon arg_pats) _ ex_tvs ex_dicts : _) _) : other_eqns) = -- Make new vars for the con arguments; avoid new locals where possible - mapDs selectMatchVar arg_pats `thenDs` \ arg_vars -> + mappM selectMatchVar arg_pats `thenDs` \ arg_vars -> -- Now do the business to make the alt for _this_ ConPat ... match (arg_vars ++ vars) |