Mercurial > urweb
diff lib/ur/incl.ur @ 1181:618f9f458da9
Got split1 working, but noticed a nasty type inference bug with transplanted unification variables
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sat, 06 Mar 2010 19:14:48 -0500 |
parents | ac3dbbc85c6e |
children | 0b1d666bddb4 |
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--- a/lib/ur/incl.ur Sat Mar 06 16:15:26 2010 -0500 +++ b/lib/ur/incl.ur Sat Mar 06 19:14:48 2010 -0500 @@ -21,7 +21,7 @@ i [f nm t r'] (fn [r'' :: {K}] [[nm = t] ++ r ~ r''] (i' : incl' ([nm = t] ++ r) r' r'') => i'.Hide [f nm t] (f [nm] [t] [r ++ r''] !)) -fun inv2 [K] [nm :: Name] [t ::: K] [r :: {K}] [r' :: {K}] [[nm] ~ r] +fun inv2 [K] [nm :: Name] [t :: K] [r :: {K}] [r' :: {K}] [[nm] ~ r] (i : incl ([nm = t] ++ r) r') = i [incl r r'] (fn [r'' :: {K}] [[nm = t] ++ r ~ r''] (i' : incl' ([nm = t] ++ r) r' r'') => fn [tp :: Type] (f : r''' :: {K} -> [r ~ r'''] => incl' r r' r''' -> tp) => @@ -35,6 +35,6 @@ (i : tf []) (fl : folder r) = @Top.fold [fn r' => incl r' r -> tf r'] (fn [nm :: Name] [v :: K] [r' :: {K}] [[nm] ~ r'] acc i => - f [nm] [v] [r'] ! i (acc (inv2 [nm] [r'] [r] i))) + f [nm] [v] [r'] ! i (acc (inv2 [nm] [v] [r'] [r] i))) (fn _ => i) fl (incl [r] [[]])