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Don't build FV terms if there is exactly one variant.

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bjorn
2008-10-03 08:18:24 +00:00
parent 8290be0eb2
commit 59cb392bda
1 changed files with 3 additions and 1 deletions
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4
src/PGF/Linearize.hs
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@@ -60,7 +60,9 @@ linTree pgf lang = lin
R ts -> R $ ts ++ (Data.List.map (kks . prCId) xs)
TM s -> R $ (TM s) : (Data.List.map (kks . prCId) xs)
lin (Fun fun es) = let argVariants = mapM (liftVariants . lin) es
in FV [comp args $ look fun | args <- argVariants]
mkVariants [t] = t
mkVariants ts = FV ts
in mkVariants [comp args $ look fun | args <- argVariants]
lin (Lit (LStr s)) = R [kks (show s)] -- quoted
lin (Lit (LInt i)) = R [kks (show i)]
lin (Lit (LFlt d)) = R [kks (show d)]