con idT = fn t :: Type => t con record = fn t :: {Type} => $t con fstTT = fn t :: (Type * Type) => t.1 con sndTT = fn t :: (Type * Type) => t.2 con mapTT = fn f :: Type -> Type => fold (fn nm t acc [[nm] ~ acc] => [nm = f t] ++ acc) [] con mapT2T = fn f :: (Type * Type) -> Type => fold (fn nm t acc [[nm] ~ acc] => [nm = f t] ++ acc) [] con ex = fn tf :: (Type -> Type) => res ::: Type -> (choice :: Type -> tf choice -> res) -> res val ex : tf :: (Type -> Type) -> choice :: Type -> tf choice -> ex tf val compose : t1 ::: Type -> t2 ::: Type -> t3 ::: Type -> (t2 -> t3) -> (t1 -> t2) -> (t1 -> t3) val txt : t ::: Type -> ctx ::: {Unit} -> use ::: {Type} -> show t -> t -> xml ctx use [] val foldTR : tf :: (Type -> Type) -> tr :: ({Type} -> Type) -> (nm :: Name -> t :: Type -> rest :: {Type} -> fn [[nm] ~ rest] => tf t -> tr rest -> tr ([nm = t] ++ rest)) -> tr [] -> r :: {Type} -> $(mapTT tf r) -> tr r val foldT2R : tf :: ((Type * Type) -> Type) -> tr :: ({(Type * Type)} -> Type) -> (nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)} -> fn [[nm] ~ rest] => tf t -> tr rest -> tr ([nm = t] ++ rest)) -> tr [] -> r :: {(Type * Type)} -> $(mapT2T tf r) -> tr r val foldTR2 : tf1 :: (Type -> Type) -> tf2 :: (Type -> Type) -> tr :: ({Type} -> Type) -> (nm :: Name -> t :: Type -> rest :: {Type} -> fn [[nm] ~ rest] => tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest)) -> tr [] -> r :: {Type} -> $(mapTT tf1 r) -> $(mapTT tf2 r) -> tr r val foldT2R2 : tf1 :: ((Type * Type) -> Type) -> tf2 :: ((Type * Type) -> Type) -> tr :: ({(Type * Type)} -> Type) -> (nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)} -> fn [[nm] ~ rest] => tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest)) -> tr [] -> r :: {(Type * Type)} -> $(mapT2T tf1 r) -> $(mapT2T tf2 r) -> tr r val foldTRX : tf :: (Type -> Type) -> ctx :: {Unit} -> (nm :: Name -> t :: Type -> rest :: {Type} -> fn [[nm] ~ rest] => tf t -> xml ctx [] []) -> r :: {Type} -> $(mapTT tf r) -> xml ctx [] [] val foldT2RX : tf :: ((Type * Type) -> Type) -> ctx :: {Unit} -> (nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)} -> fn [[nm] ~ rest] => tf t -> xml ctx [] []) -> r :: {(Type * Type)} -> $(mapT2T tf r) -> xml ctx [] [] val foldTRX2 : tf1 :: (Type -> Type) -> tf2 :: (Type -> Type) -> ctx :: {Unit} -> (nm :: Name -> t :: Type -> rest :: {Type} -> fn [[nm] ~ rest] => tf1 t -> tf2 t -> xml ctx [] []) -> r :: {Type} -> $(mapTT tf1 r) -> $(mapTT tf2 r) -> xml ctx [] [] val foldT2RX2 : tf1 :: ((Type * Type) -> Type) -> tf2 :: ((Type * Type) -> Type) -> ctx :: {Unit} -> (nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)} -> fn [[nm] ~ rest] => tf1 t -> tf2 t -> xml ctx [] []) -> r :: {(Type * Type)} -> $(mapT2T tf1 r) -> $(mapT2T tf2 r) -> xml ctx [] [] val queryX : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit} -> sql_query tables exps -> fn [tables ~ exps] => ($(exps ++ fold (fn nm (fields :: {Type}) acc [[nm] ~ acc] => [nm = $fields] ++ acc) [] tables) -> xml ctx [] []) -> transaction (xml ctx [] []) val oneOrNoRows : tables ::: {{Type}} -> exps ::: {Type} -> sql_query tables exps -> fn [tables ~ exps] => transaction (option $(exps ++ fold (fn nm (fields :: {Type}) acc [[nm] ~ acc] => [nm = $fields] ++ acc) [] tables))