Mercurial > urweb
view lib/ur/top.urs @ 640:63b0bcacd535
RPC returning a default datatype
author | Adam Chlipala <adamc@hcoop.net> |
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date | Sun, 08 Mar 2009 13:28:21 -0400 |
parents | 24fd1edfcaa3 |
children | aa2290c32ce2 |
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(** Row folding *) con folder :: K --> {K} -> Type structure Folder : sig val fold : K --> r ::: {K} -> folder r -> tf :: ({K} -> Type) -> (nm :: Name -> v :: K -> r :: {K} -> tf r -> [[nm] ~ r] => tf ([nm = v] ++ r)) -> tf [] -> tf r val nil : K --> folder (([]) :: {K}) val cons : K --> r ::: {K} -> nm :: Name -> v :: K -> [[nm] ~ r] => folder r -> folder ([nm = v] ++ r) val concat : K --> r1 ::: {K} -> r2 ::: {K} -> [r1 ~ r2] => folder r1 -> folder r2 -> folder (r1 ++ r2) val mp : K1 --> K2 --> f ::: (K1 -> K2) -> r ::: {K1} -> folder r -> folder (map f r) end val not : bool -> bool con idT = fn t :: Type => t con record = fn t :: {Type} => $t con fst = K1 ==> K2 ==> fn t :: (K1 * K2) => t.1 con snd = K1 ==> K2 ==> fn t :: (K1 * K2) => t.2 con fst3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.1 con snd3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.2 con thd3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.3 con mapUT = fn f :: Type => map (fn _ :: Unit => f) 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} -> [[nm] ~ rest] => tf -> tr rest -> tr ([nm] ++ rest)) -> tr [] -> r :: {Unit} -> folder r -> $(mapUT tf r) -> tr r val foldUR2 : tf1 :: Type -> tf2 :: Type -> tr :: ({Unit} -> Type) -> (nm :: Name -> rest :: {Unit} -> [[nm] ~ rest] => tf1 -> tf2 -> tr rest -> tr ([nm] ++ rest)) -> tr [] -> r :: {Unit} -> folder r -> $(mapUT tf1 r) -> $(mapUT tf2 r) -> tr r val foldURX2: tf1 :: Type -> tf2 :: Type -> ctx :: {Unit} -> (nm :: Name -> rest :: {Unit} -> [[nm] ~ rest] => tf1 -> tf2 -> xml ctx [] []) -> r :: {Unit} -> folder r -> $(mapUT tf1 r) -> $(mapUT tf2 r) -> xml ctx [] [] val foldR : K --> tf :: (K -> Type) -> tr :: ({K} -> Type) -> (nm :: Name -> t :: K -> rest :: {K} -> [[nm] ~ rest] => tf t -> tr rest -> tr ([nm = t] ++ rest)) -> tr [] -> r :: {K} -> folder r -> $(map tf r) -> tr r val foldR2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> tr :: ({K} -> Type) -> (nm :: Name -> t :: K -> rest :: {K} -> [[nm] ~ rest] => tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest)) -> tr [] -> r :: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> tr r val foldRX : K --> tf :: (K -> Type) -> ctx :: {Unit} -> (nm :: Name -> t :: K -> rest :: {K} -> [[nm] ~ rest] => tf t -> xml ctx [] []) -> r :: {K} -> folder r -> $(map tf r) -> xml ctx [] [] val foldRX2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> ctx :: {Unit} -> (nm :: Name -> t :: K -> rest :: {K} -> [[nm] ~ rest] => tf1 t -> tf2 t -> xml ctx [] []) -> r :: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> xml ctx [] [] val queryX : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit} -> [tables ~ exps] => sql_query tables exps -> ($(exps ++ map (fn fields :: {Type} => $fields) tables) -> xml ctx [] []) -> transaction (xml ctx [] []) val queryX' : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit} -> [tables ~ exps] => sql_query tables exps -> ($(exps ++ map (fn fields :: {Type} => $fields) tables) -> transaction (xml ctx [] [])) -> transaction (xml ctx [] []) val oneOrNoRows : tables ::: {{Type}} -> exps ::: {Type} -> [tables ~ exps] => sql_query tables exps -> transaction (option $(exps ++ map (fn fields :: {Type} => $fields) tables)) val oneRow : tables ::: {{Type}} -> exps ::: {Type} -> [tables ~ exps] => sql_query tables exps -> transaction $(exps ++ map (fn fields :: {Type} => $fields) tables) val eqNullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type -> sql_injectable (option t) -> sql_exp tables agg exps (option t) -> sql_exp tables agg exps (option t) -> sql_exp tables agg exps bool val eqNullable' : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type -> sql_injectable (option t) -> sql_exp tables agg exps (option t) -> option t -> sql_exp tables agg exps bool