adamc@623: (** Row folding *)
adamc@623: 
adamc@631: con folder :: K --> {K} -> Type
adamc@623: 
adamc@627: structure Folder : sig
adamc@631:     val fold : K --> r ::: {K} -> folder r
adamc@631:                -> tf :: ({K} -> Type)
adamc@631:                -> (nm :: Name -> v :: K -> r :: {K} -> tf r
adamc@631:                    -> [[nm] ~ r] => tf ([nm = v] ++ r))
adamc@631:                -> tf [] -> tf r
adamc@631: 
adamc@627:     val nil : K --> folder (([]) :: {K})
adamc@627:     val cons : K --> r ::: {K} -> nm :: Name -> v :: K
adamc@629:                -> [[nm] ~ r] => folder r -> folder ([nm = v] ++ r)
adamc@628:     val concat : K --> r1 ::: {K} -> r2 ::: {K}
adamc@629:                  -> [r1 ~ r2] => folder r1 -> folder r2 -> folder (r1 ++ r2)
adamc@630:     val mp : K1 --> K2 --> f ::: (K1 -> K2) -> r ::: {K1}
adamc@630:              -> folder r -> folder (map f r)
adamc@627: end
adamc@627: 
adamc@623: 
adamc@422: val not : bool -> bool
adamc@422: 
adamc@329: con idT = fn t :: Type => t
adamc@329: con record = fn t :: {Type} => $t
adamc@637: con fst = K1 ==> K2 ==> fn t :: (K1 * K2) => t.1
adamc@637: con snd = K1 ==> K2 ==> fn t :: (K1 * K2) => t.2
adamc@637: con fst3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.1
adamc@637: con snd3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.2
adamc@637: con thd3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.3
adamc@329: 
adamc@621: con mapUT = fn f :: Type => map (fn _ :: Unit => f)
adamc@445: 
adamc@339: con ex = fn tf :: (Type -> Type) =>
adamc@355:             res ::: Type -> (choice :: Type -> tf choice -> res) -> res
adamc@339: 
adamc@339: val ex : tf :: (Type -> Type) -> choice :: Type -> tf choice -> ex tf
adamc@339: 
adamc@325: val compose : t1 ::: Type -> t2 ::: Type -> t3 ::: Type
adamc@355:               -> (t2 -> t3) -> (t1 -> t2) -> (t1 -> t3)
adamc@325: 
adamc@325: val txt : t ::: Type -> ctx ::: {Unit} -> use ::: {Type} -> show t -> t
adamc@355:           -> xml ctx use []
adamc@329: 
adamc@411: val foldUR : tf :: Type -> tr :: ({Unit} -> Type)
adamc@411:              -> (nm :: Name -> rest :: {Unit}
adamc@629:                  -> [[nm] ~ rest] =>
adamc@411:                        tf -> tr rest -> tr ([nm] ++ rest))
adamc@632:              -> tr [] -> r :: {Unit} -> folder r -> $(mapUT tf r) -> tr r
adamc@411: 
adamc@418: val foldUR2 : tf1 :: Type -> tf2 :: Type -> tr :: ({Unit} -> Type)
adamc@418:              -> (nm :: Name -> rest :: {Unit}
adamc@629:                  -> [[nm] ~ rest] =>
adamc@418:                        tf1 -> tf2 -> tr rest -> tr ([nm] ++ rest))
adamc@632:              -> tr [] -> r :: {Unit} -> folder r -> $(mapUT tf1 r) -> $(mapUT tf2 r) -> tr r
adamc@418: 
adamc@418: val foldURX2: tf1 :: Type -> tf2 :: Type -> ctx :: {Unit}
adamc@418:               -> (nm :: Name -> rest :: {Unit}
adamc@629:                   -> [[nm] ~ rest] =>
adamc@418:                         tf1 -> tf2 -> xml ctx [] [])
adamc@632:               -> r :: {Unit} -> folder r -> $(mapUT tf1 r) -> $(mapUT tf2 r) -> xml ctx [] []
adamc@418: 
adamc@623: val foldR : K --> tf :: (K -> Type) -> tr :: ({K} -> Type)
adamc@623:              -> (nm :: Name -> t :: K -> rest :: {K}
adamc@629:                  -> [[nm] ~ rest] =>
adamc@355:                        tf t -> tr rest -> tr ([nm = t] ++ rest))
adamc@632:              -> tr [] -> r :: {K} -> folder r -> $(map tf r) -> tr r
adamc@336: 
adamc@623: val foldR2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type)
adamc@623:              -> tr :: ({K} -> Type)
adamc@623:              -> (nm :: Name -> t :: K -> rest :: {K}
adamc@629:                  -> [[nm] ~ rest] =>
adamc@623:                        tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
adamc@623:              -> tr []
adamc@632:              -> r :: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> tr r
adamc@623: 
adamc@623: val foldRX : K --> tf :: (K -> Type) -> ctx :: {Unit}
adamc@623:              -> (nm :: Name -> t :: K -> rest :: {K}
adamc@629:                  -> [[nm] ~ rest] =>
adamc@623:                        tf t -> xml ctx [] [])
adamc@632:              -> r :: {K} -> folder r -> $(map tf r) -> xml ctx [] []
adamc@623: 
adamc@623: val foldRX2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> ctx :: {Unit}
adamc@623:               -> (nm :: Name -> t :: K -> rest :: {K}
adamc@629:                   -> [[nm] ~ rest] =>
adamc@623:                         tf1 t -> tf2 t -> xml ctx [] [])
adamc@632:               -> r :: {K} -> folder r
adamc@623:               -> $(map tf1 r) -> $(map tf2 r) -> xml ctx [] []
adamc@445: 
adamc@334: val queryX : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit}
adamc@629:              -> [tables ~ exps] =>
adamc@632:              sql_query tables exps
adamc@632:              -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@632:                  -> xml ctx [] [])
adamc@632:              -> transaction (xml ctx [] [])
adamc@341: 
adamc@469: val queryX' : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit}
adamc@629:               -> [tables ~ exps] =>
adamc@632:               sql_query tables exps
adamc@632:               -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@632:                   -> transaction (xml ctx [] []))
adamc@632:               -> transaction (xml ctx [] [])
adamc@469:                        
adamc@355: val oneOrNoRows : tables ::: {{Type}} -> exps ::: {Type}
adamc@629:                   -> [tables ~ exps] =>
adamc@629:                   sql_query tables exps
adamc@629:                   -> transaction
adamc@629:                          (option
adamc@629:                               $(exps
adamc@629:                                     ++ map (fn fields :: {Type} => $fields) tables))
adamc@440: 
adamc@440: val oneRow : tables ::: {{Type}} -> exps ::: {Type}
adamc@629:              -> [tables ~ exps] =>
adamc@629:              sql_query tables exps
adamc@629:              -> transaction
adamc@629:                     $(exps
adamc@629:                           ++ map (fn fields :: {Type} => $fields) tables)
adamc@629:                 
adamc@470: val eqNullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470:                  -> t ::: Type -> sql_injectable (option t)
adamc@470:                  -> sql_exp tables agg exps (option t)
adamc@470:                  -> sql_exp tables agg exps (option t)
adamc@470:                  -> sql_exp tables agg exps bool
adamc@470: 
adamc@470: val eqNullable' : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470:                   -> t ::: Type -> sql_injectable (option t)
adamc@470:                   -> sql_exp tables agg exps (option t)
adamc@470:                   -> option t
adamc@470:                   -> sql_exp tables agg exps bool