adamc@623: (** Row folding *)
adamc@623: 
adamc@623: con folder = K ==> fn r :: {K} =>
adamc@623:                       tf :: ({K} -> Type)
adamc@623:                       -> (nm :: Name -> v :: K -> r :: {K} -> tf r
adamc@623:                           -> fn [[nm] ~ r] => tf ([nm = v] ++ r))
adamc@623:                       -> tf [] -> tf r
adamc@623: 
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@339: con fstTT = fn t :: (Type * Type) => t.1
adamc@339: con sndTT = fn t :: (Type * Type) => t.2
adamc@445: con fstTTT = fn t :: (Type * Type * Type) => t.1
adamc@445: con sndTTT = fn t :: (Type * Type * Type) => t.2
adamc@445: con thdTTT = fn t :: (Type * Type * Type) => 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@411:                  -> fn [[nm] ~ rest] =>
adamc@411:                        tf -> tr rest -> tr ([nm] ++ rest))
adamc@623:              -> 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@418:                  -> fn [[nm] ~ rest] =>
adamc@418:                        tf1 -> tf2 -> tr rest -> tr ([nm] ++ rest))
adamc@623:              -> 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@418:                   -> fn [[nm] ~ rest] =>
adamc@418:                         tf1 -> tf2 -> xml ctx [] [])
adamc@623:               -> 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@355:                  -> fn [[nm] ~ rest] =>
adamc@355:                        tf t -> tr rest -> tr ([nm = t] ++ rest))
adamc@623:              -> 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@623:                  -> fn [[nm] ~ rest] =>
adamc@623:                        tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
adamc@623:              -> tr []
adamc@623:              -> 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@623:                  -> fn [[nm] ~ rest] =>
adamc@623:                        tf t -> xml ctx [] [])
adamc@623:              -> 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@355:                   -> fn [[nm] ~ rest] =>
adamc@623:                         tf1 t -> tf2 t -> xml ctx [] [])
adamc@623:               -> r ::: {K} -> folder r
adamc@623:               -> $(map tf1 r) -> $(map tf2 r) -> xml ctx [] []
adamc@445: 
adamc@334: val queryX : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit}
adamc@355:              -> sql_query tables exps
adamc@355:              -> fn [tables ~ exps] =>
adamc@621:                    ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@355:                     -> xml ctx [] [])
adamc@355:                    -> transaction (xml ctx [] [])
adamc@341: 
adamc@469: val queryX' : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit}
adamc@469:               -> sql_query tables exps
adamc@469:               -> fn [tables ~ exps] =>
adamc@621:                     ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@469:                      -> transaction (xml ctx [] []))
adamc@469:                     -> transaction (xml ctx [] [])
adamc@469:                        
adamc@355: val oneOrNoRows : tables ::: {{Type}} -> exps ::: {Type}
adamc@355:                   -> sql_query tables exps
adamc@355:                   -> fn [tables ~ exps] =>
adamc@355:                         transaction
adamc@355:                             (option
adamc@355:                                  $(exps
adamc@621:                                        ++ map (fn fields :: {Type} => $fields) tables))
adamc@440: 
adamc@440: val oneRow : tables ::: {{Type}} -> exps ::: {Type}
adamc@440:              -> sql_query tables exps
adamc@440:              -> fn [tables ~ exps] =>
adamc@440:                    transaction
adamc@440:                        $(exps
adamc@621:                              ++ map (fn fields :: {Type} => $fields) tables)
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:                  -> 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