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| author | Edward Z. Yang <ezyang@cs.stanford.edu> | 2017-10-16 15:27:10 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2017-10-16 17:24:49 -0400 |
| commit | fd8b044e9664181d4815e48e8f83be78bc9fe8d2 (patch) | |
| tree | 7e81af52e4a14c1975c35f481e0279c1271cb1fc /compiler/backpack | |
| parent | 71a423562a555ef0805bba546a3a42d437803842 (diff) | |
| download | haskell-fd8b044e9664181d4815e48e8f83be78bc9fe8d2.tar.gz | |
Levity polymorphic Backpack.
This patch makes it possible to specify non * kinds of
abstract data types in signatures, so you can have
levity polymorphism through Backpack, without the runtime
representation constraint!
Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Test Plan: validate
Reviewers: andrewthad, bgamari, austin, goldfire
Reviewed By: bgamari
Subscribers: goldfire, rwbarton, thomie
GHC Trac Issues: #13955
Differential Revision: https://phabricator.haskell.org/D3825
Diffstat (limited to 'compiler/backpack')
| -rw-r--r-- | compiler/backpack/RnModIface.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/backpack/RnModIface.hs b/compiler/backpack/RnModIface.hs index 296b4e2f3c..2199965d13 100644 --- a/compiler/backpack/RnModIface.hs +++ b/compiler/backpack/RnModIface.hs @@ -424,11 +424,13 @@ rnIfaceDecl d@IfaceData{} = do binders <- mapM rnIfaceTyConBinder (ifBinders d) ctxt <- mapM rnIfaceType (ifCtxt d) cons <- rnIfaceConDecls (ifCons d) + res_kind <- rnIfaceType (ifResKind d) parent <- rnIfaceTyConParent (ifParent d) return d { ifName = name , ifBinders = binders , ifCtxt = ctxt , ifCons = cons + , ifResKind = res_kind , ifParent = parent } rnIfaceDecl d@IfaceSynonym{} = do |