diff options
Diffstat (limited to 'lib/top.ur')
-rw-r--r-- | lib/top.ur | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -8,6 +8,16 @@ fun compose (t1 ::: Type) (t2 ::: Type) (t3 ::: Type) (f1 : t2 -> t3) (f2 : t1 - fun txt (t ::: Type) (ctx ::: {Unit}) (use ::: {Type}) (sh : show t) (v : t) = cdata (show sh v) +fun foldTR (tf :: Type -> Type) (tr :: {Type} -> Type) + (f : nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest + -> tf t -> tr rest -> tr ([nm = t] ++ rest)) + (i : tr []) = + fold [fn r :: {Type} => $(mapTT tf r) -> tr r] + (fn (nm :: Name) (t :: Type) (rest :: {Type}) (acc : _ -> tr rest) => + [[nm] ~ rest] => + fn r => f [nm] [t] [rest] r.nm (acc (r -- nm))) + (fn _ => i) + fun foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type) (f : nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest -> tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest)) @@ -18,6 +28,15 @@ fun foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type) fn r1 r2 => f [nm] [t] [rest] r1.nm r2.nm (acc (r1 -- nm) (r2 -- nm))) (fn _ _ => i) +fun foldTRX (tf :: Type -> Type) (ctx :: {Unit}) + (f : nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest + -> tf t -> xml ctx [] []) = + foldTR [tf] [fn _ => xml ctx [] []] + (fn (nm :: Name) (t :: Type) (rest :: {Type}) => + [[nm] ~ rest] => + fn r acc => <xml>{f [nm] [t] [rest] r}{acc}</xml>) + <xml></xml> + fun foldTRX2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (ctx :: {Unit}) (f : nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest -> tf1 t -> tf2 t -> xml ctx [] []) = |