Commit 3d88a3ec authored by kristenk's avatar kristenk Committed by Edward Z. Yang
Browse files

Fix build with GHC 7.8.4.

parent 3aee78dd
......@@ -87,7 +87,7 @@ findCycles pkg rdm =
else Nothing
hasCycle :: Bool
hasCycle = pkg `elem` closure (neighbors pkg)
hasCycle = pkg `S.member` closure (neighbors pkg)
closure :: [QPN] -> S.Set QPN
closure = foldl go S.empty
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