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| author | Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io> | 2020-09-27 22:03:07 +0200 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2020-09-29 00:32:05 -0400 |
| commit | b31a3360e2ef12f3ec7eaf66b3600247c1eb36c3 (patch) | |
| tree | 28f202a8dd91e6353ada2073b1a8417370c9313b | |
| parent | 583a2070f1ad9162a365b034b27c3b80daafb8df (diff) | |
| download | haskell-b31a3360e2ef12f3ec7eaf66b3600247c1eb36c3.tar.gz | |
Linear types: fix kind inference when checking datacons
| -rw-r--r-- | compiler/GHC/Tc/TyCl.hs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/TyCl.hs b/compiler/GHC/Tc/TyCl.hs index 9cd0b2a66c..d182ba5903 100644 --- a/compiler/GHC/Tc/TyCl.hs +++ b/compiler/GHC/Tc/TyCl.hs @@ -1569,7 +1569,9 @@ kcTyClDecl (FamDecl _ (FamilyDecl { fdInfo = fd_info })) fam_tc kcConArgTys :: NewOrData -> Kind -> [HsScaled GhcRn (LHsType GhcRn)] -> TcM () kcConArgTys new_or_data res_kind arg_tys = do { let exp_kind = getArgExpKind new_or_data res_kind - ; mapM_ (flip tcCheckLHsType exp_kind . getBangType . hsScaledThing) arg_tys + ; forM_ arg_tys (\(HsScaled mult ty) -> do _ <- tcCheckLHsType (getBangType ty) exp_kind + tcMult mult) + -- See Note [Implementation of UnliftedNewtypes], STEP 2 } |