adamc@623
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1 (** Row folding *)
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adamc@623
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2
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adamc@623
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3 con folder = K ==> fn r :: {K} =>
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adamc@623
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4 tf :: ({K} -> Type)
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adamc@623
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5 -> (nm :: Name -> v :: K -> r :: {K} -> tf r
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adamc@623
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6 -> fn [[nm] ~ r] => tf ([nm = v] ++ r))
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adamc@623
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7 -> tf [] -> tf r
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adamc@623
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8
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adamc@627
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9 structure Folder : sig
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adamc@627
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10 val nil : K --> folder (([]) :: {K})
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adamc@627
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11 val cons : K --> r ::: {K} -> nm :: Name -> v :: K
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adamc@627
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12 -> fn [[nm] ~ r] => folder r -> folder ([nm = v] ++ r)
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adamc@628
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13 val concat : K --> r1 ::: {K} -> r2 ::: {K}
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adamc@628
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14 -> fn [r1 ~ r2] => folder r1 -> folder r2 -> folder (r1 ++ r2)
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adamc@627
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15 end
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adamc@627
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16
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adamc@623
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17
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adamc@422
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18 val not : bool -> bool
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adamc@422
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19
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adamc@329
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20 con idT = fn t :: Type => t
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adamc@329
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21 con record = fn t :: {Type} => $t
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adamc@339
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22 con fstTT = fn t :: (Type * Type) => t.1
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adamc@339
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23 con sndTT = fn t :: (Type * Type) => t.2
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adamc@445
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24 con fstTTT = fn t :: (Type * Type * Type) => t.1
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adamc@445
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25 con sndTTT = fn t :: (Type * Type * Type) => t.2
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adamc@445
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26 con thdTTT = fn t :: (Type * Type * Type) => t.3
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adamc@329
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27
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adamc@621
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28 con mapUT = fn f :: Type => map (fn _ :: Unit => f)
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adamc@445
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29
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adamc@339
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30 con ex = fn tf :: (Type -> Type) =>
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adamc@355
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31 res ::: Type -> (choice :: Type -> tf choice -> res) -> res
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adamc@339
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32
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adamc@339
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33 val ex : tf :: (Type -> Type) -> choice :: Type -> tf choice -> ex tf
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adamc@339
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34
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adamc@325
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35 val compose : t1 ::: Type -> t2 ::: Type -> t3 ::: Type
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adamc@355
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36 -> (t2 -> t3) -> (t1 -> t2) -> (t1 -> t3)
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adamc@325
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37
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adamc@325
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38 val txt : t ::: Type -> ctx ::: {Unit} -> use ::: {Type} -> show t -> t
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adamc@355
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39 -> xml ctx use []
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adamc@329
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40
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adamc@411
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41 val foldUR : tf :: Type -> tr :: ({Unit} -> Type)
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adamc@411
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42 -> (nm :: Name -> rest :: {Unit}
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adamc@411
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43 -> fn [[nm] ~ rest] =>
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adamc@411
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44 tf -> tr rest -> tr ([nm] ++ rest))
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adamc@623
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45 -> tr [] -> r ::: {Unit} -> folder r -> $(mapUT tf r) -> tr r
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adamc@411
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46
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adamc@418
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47 val foldUR2 : tf1 :: Type -> tf2 :: Type -> tr :: ({Unit} -> Type)
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adamc@418
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48 -> (nm :: Name -> rest :: {Unit}
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adamc@418
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49 -> fn [[nm] ~ rest] =>
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adamc@418
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50 tf1 -> tf2 -> tr rest -> tr ([nm] ++ rest))
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adamc@623
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51 -> tr [] -> r ::: {Unit} -> folder r -> $(mapUT tf1 r) -> $(mapUT tf2 r) -> tr r
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adamc@418
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52
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adamc@418
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53 val foldURX2: tf1 :: Type -> tf2 :: Type -> ctx :: {Unit}
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adamc@418
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54 -> (nm :: Name -> rest :: {Unit}
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adamc@418
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55 -> fn [[nm] ~ rest] =>
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adamc@418
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56 tf1 -> tf2 -> xml ctx [] [])
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adamc@623
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57 -> r ::: {Unit} -> folder r -> $(mapUT tf1 r) -> $(mapUT tf2 r) -> xml ctx [] []
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adamc@418
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58
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adamc@623
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59 val foldR : K --> tf :: (K -> Type) -> tr :: ({K} -> Type)
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adamc@623
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60 -> (nm :: Name -> t :: K -> rest :: {K}
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adamc@355
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61 -> fn [[nm] ~ rest] =>
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adamc@355
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62 tf t -> tr rest -> tr ([nm = t] ++ rest))
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adamc@623
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63 -> tr [] -> r ::: {K} -> folder r -> $(map tf r) -> tr r
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adamc@336
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64
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adamc@623
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65 val foldR2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type)
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adamc@623
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66 -> tr :: ({K} -> Type)
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adamc@623
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67 -> (nm :: Name -> t :: K -> rest :: {K}
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adamc@623
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68 -> fn [[nm] ~ rest] =>
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adamc@623
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69 tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
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adamc@623
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70 -> tr []
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adamc@623
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71 -> r ::: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> tr r
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adamc@623
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72
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adamc@623
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73 val foldRX : K --> tf :: (K -> Type) -> ctx :: {Unit}
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adamc@623
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74 -> (nm :: Name -> t :: K -> rest :: {K}
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adamc@623
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75 -> fn [[nm] ~ rest] =>
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adamc@623
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76 tf t -> xml ctx [] [])
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adamc@623
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77 -> r ::: {K} -> folder r -> $(map tf r) -> xml ctx [] []
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adamc@623
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78
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adamc@623
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79 val foldRX2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> ctx :: {Unit}
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adamc@623
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80 -> (nm :: Name -> t :: K -> rest :: {K}
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adamc@355
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81 -> fn [[nm] ~ rest] =>
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adamc@623
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82 tf1 t -> tf2 t -> xml ctx [] [])
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adamc@623
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83 -> r ::: {K} -> folder r
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adamc@623
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84 -> $(map tf1 r) -> $(map tf2 r) -> xml ctx [] []
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adamc@445
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85
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adamc@334
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86 val queryX : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit}
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adamc@355
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87 -> sql_query tables exps
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adamc@355
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88 -> fn [tables ~ exps] =>
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adamc@621
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89 ($(exps ++ map (fn fields :: {Type} => $fields) tables)
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adamc@355
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90 -> xml ctx [] [])
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adamc@355
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91 -> transaction (xml ctx [] [])
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adamc@341
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92
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adamc@469
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93 val queryX' : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit}
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adamc@469
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94 -> sql_query tables exps
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adamc@469
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95 -> fn [tables ~ exps] =>
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adamc@621
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96 ($(exps ++ map (fn fields :: {Type} => $fields) tables)
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adamc@469
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97 -> transaction (xml ctx [] []))
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adamc@469
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98 -> transaction (xml ctx [] [])
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adamc@469
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99
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adamc@355
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100 val oneOrNoRows : tables ::: {{Type}} -> exps ::: {Type}
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adamc@355
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101 -> sql_query tables exps
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adamc@355
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102 -> fn [tables ~ exps] =>
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adamc@355
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103 transaction
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adamc@355
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104 (option
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adamc@355
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105 $(exps
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adamc@621
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106 ++ map (fn fields :: {Type} => $fields) tables))
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adamc@440
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107
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adamc@440
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108 val oneRow : tables ::: {{Type}} -> exps ::: {Type}
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adamc@440
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109 -> sql_query tables exps
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adamc@440
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110 -> fn [tables ~ exps] =>
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adamc@440
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111 transaction
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adamc@440
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112 $(exps
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adamc@621
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113 ++ map (fn fields :: {Type} => $fields) tables)
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adamc@470
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114
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adamc@470
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115 val eqNullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
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adamc@470
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116 -> t ::: Type -> sql_injectable (option t)
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adamc@470
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117 -> sql_exp tables agg exps (option t)
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adamc@470
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118 -> sql_exp tables agg exps (option t)
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adamc@470
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119 -> sql_exp tables agg exps bool
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adamc@470
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120
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adamc@470
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121 val eqNullable' : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
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adamc@470
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122 -> t ::: Type -> sql_injectable (option t)
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adamc@470
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123 -> sql_exp tables agg exps (option t)
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adamc@470
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124 -> option t
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adamc@470
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125 -> sql_exp tables agg exps bool
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