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| author | Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io> | 2020-09-27 22:03:07 +0200 |
|---|---|---|
| committer | Vladislav Zavialov <vlad.z.4096@gmail.com> | 2020-09-30 01:05:27 +0300 |
| commit | 93df442a7d16b6a87d3a73166a557ae7953e65f0 (patch) | |
| tree | b493b8d734669f93dcc89c7809a5e3ada4a6cc35 | |
| parent | 90fe5cffb0b0ba1ff86b8b9bf5299d0ed8437ad7 (diff) | |
| download | haskell-93df442a7d16b6a87d3a73166a557ae7953e65f0.tar.gz | |
Linear types: fix kind inference when checking datacons
(cherry picked from b31a3360e2ef12f3ec7eaf66b3600247c1eb36c3)
| -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 4ad0da6292..d62d2cc9db 100644 --- a/compiler/GHC/Tc/TyCl.hs +++ b/compiler/GHC/Tc/TyCl.hs @@ -1563,7 +1563,9 @@ 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 } |