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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 mapUT = fn f :: Type => fold (fn nm t acc [[nm] ~ acc] =>
[nm = f] ++ 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 foldUR : tf :: Type -> tr :: ({Unit} -> Type)
-> (nm :: Name -> rest :: {Unit}
-> fn [[nm] ~ rest] =>
tf -> tr rest -> tr ([nm] ++ rest))
-> tr [] -> r :: {Unit} -> $(mapUT tf r) -> tr r
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))
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