diff options
Diffstat (limited to 'lib/top.ur')
| -rw-r--r-- | lib/top.ur | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -36,6 +36,26 @@ fun foldUR (tf :: Type) (tr :: {Unit} -> Type) f [nm] [rest] r.nm (acc (r -- nm))) (fn _ => i) +fun foldUR2 (tf1 :: Type) (tf2 :: Type) (tr :: {Unit} -> Type) + (f : nm :: Name -> rest :: {Unit} + -> fn [[nm] ~ rest] => + tf1 -> tf2 -> tr rest -> tr ([nm] ++ rest)) + (i : tr []) = + fold [fn r :: {Unit} => $(mapUT tf1 r) -> $(mapUT tf2 r) -> tr r] + (fn (nm :: Name) (t :: Unit) (rest :: {Unit}) acc + [[nm] ~ rest] r1 r2 => + f [nm] [rest] r1.nm r2.nm (acc (r1 -- nm) (r2 -- nm))) + (fn _ _ => i) + +fun foldURX2 (tf1 :: Type) (tf2 :: Type) (ctx :: {Unit}) + (f : nm :: Name -> rest :: {Unit} + -> fn [[nm] ~ rest] => + tf1 -> tf2 -> xml ctx [] []) = + foldUR2 [tf1] [tf2] [fn _ => xml ctx [] []] + (fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] v1 v2 acc => + <xml>{f [nm] [rest] v1 v2}{acc}</xml>) + <xml/> + fun foldTR (tf :: Type -> Type) (tr :: {Type} -> Type) (f : nm :: Name -> t :: Type -> rest :: {Type} -> fn [[nm] ~ rest] => |