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-rw-r--r--src/Haddock/Utils.hs8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/Haddock/Utils.hs b/src/Haddock/Utils.hs
index 3814b97e..4114b1db 100644
--- a/src/Haddock/Utils.hs
+++ b/src/Haddock/Utils.hs
@@ -13,7 +13,7 @@
module Haddock.Utils (
-- * Misc utilities
- restrictTo,
+ restrictTo, emptyHsQTvs,
toDescription, toInstalledDescription,
-- * Filename utilities
@@ -172,6 +172,12 @@ restrictDecls names decls = mapMaybe (filterLSigNames (`elem` names)) decls
restrictATs :: [Name] -> [LTyClDecl Name] -> [LTyClDecl Name]
restrictATs names ats = [ at | at <- ats , tcdName (unL at) `elem` names ]
+emptyHsQTvs :: LHsTyVarBndrs Name
+-- This function is here, rather than in HsTypes, because it *renamed*, but
+-- does not necessarily have all the rigt kind variables. It is used
+-- in Haddock just for printing, so it doesn't matter
+emptyHsQTvs = HsQTvs { hsq_kvs = error "haddock:emptyHsQTvs", hsq_tvs = [] }
+
--------------------------------------------------------------------------------
-- * Filename mangling functions stolen from s main/DriverUtil.lhs.