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-- This used lots of memory, and took a long time to compile, with GHC 6.12:
-- http://www.haskell.org/pipermail/glasgow-haskell-users/2010-May/018835.html
module IndTypesPerf where
import IndTypesPerfMerge
data Rec1 = Rec1 !Int
mkRec1 v = mk $ merge v () where mk (Tagged i :* ()) = Rec1 i
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