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@631
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3 con folder :: K --> {K} -> Type
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adamc@623
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4
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adamc@653
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5 val fold : K --> tf :: ({K} -> Type)
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adamc@653
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6 -> (nm :: Name -> v :: K -> r :: {K} -> [[nm] ~ r] =>
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adamc@653
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7 tf r -> tf ([nm = v] ++ r))
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adamc@653
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8 -> tf []
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adamc@653
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9 -> r :: {K} -> folder r -> tf r
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adamc@653
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10
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adamc@627
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11 structure Folder : sig
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adamc@627
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12 val nil : K --> folder (([]) :: {K})
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adamc@627
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13 val cons : K --> r ::: {K} -> nm :: Name -> v :: K
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adamc@629
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14 -> [[nm] ~ r] => folder r -> folder ([nm = v] ++ r)
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adamc@628
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15 val concat : K --> r1 ::: {K} -> r2 ::: {K}
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adamc@629
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16 -> [r1 ~ r2] => folder r1 -> folder r2 -> folder (r1 ++ r2)
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adamc@630
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17 val mp : K1 --> K2 --> f ::: (K1 -> K2) -> r ::: {K1}
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adamc@630
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18 -> folder r -> folder (map f r)
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adamc@627
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19 end
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adamc@627
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20
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adamc@623
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21
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adamc@422
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22 val not : bool -> bool
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adamc@422
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23
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adamc@898
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24 con id = K ==> fn t :: K => t
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adamc@329
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25 con record = fn t :: {Type} => $t
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adamc@637
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26 con fst = K1 ==> K2 ==> fn t :: (K1 * K2) => t.1
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adamc@637
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27 con snd = K1 ==> K2 ==> fn t :: (K1 * K2) => t.2
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adamc@637
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28 con fst3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.1
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adamc@637
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29 con snd3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.2
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adamc@637
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30 con thd3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.3
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adamc@329
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31
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adamc@643
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32 con mapU = K ==> fn f :: K => map (fn _ :: Unit => f)
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adamc@445
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33
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adamc@339
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34 con ex = fn tf :: (Type -> Type) =>
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adamc@355
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35 res ::: Type -> (choice :: Type -> tf choice -> res) -> res
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adamc@339
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36
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adamc@339
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37 val ex : tf :: (Type -> Type) -> choice :: Type -> tf choice -> ex tf
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adamc@339
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38
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adamc@325
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39 val compose : t1 ::: Type -> t2 ::: Type -> t3 ::: Type
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adamc@355
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40 -> (t2 -> t3) -> (t1 -> t2) -> (t1 -> t3)
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adamc@325
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41
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adamc@777
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42 val show_option : t ::: Type -> show t -> show (option t)
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adamc@777
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43 val read_option : t ::: Type -> read t -> read (option t)
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adamc@777
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44
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adamc@720
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45 val txt : t ::: Type -> ctx ::: {Unit} -> use ::: {Type} -> show t -> t
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adamc@720
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46 -> xml ctx use []
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adamc@329
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47
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adamc@898
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48 val mp : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type)
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adamc@898
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49 -> (t ::: K -> tf1 t -> tf2 t)
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adamc@898
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50 -> r :: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r)
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adamc@905
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51 val map2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> tf3 :: (K -> Type)
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adamc@905
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52 -> (t ::: K -> tf1 t -> tf2 t -> tf3 t)
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adamc@905
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53 -> r :: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> $(map tf3 r)
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adamc@898
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54
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adamc@411
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55 val foldUR : tf :: Type -> tr :: ({Unit} -> Type)
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adamc@411
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56 -> (nm :: Name -> rest :: {Unit}
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adamc@629
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57 -> [[nm] ~ rest] =>
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adamc@411
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58 tf -> tr rest -> tr ([nm] ++ rest))
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adamc@643
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59 -> tr [] -> r :: {Unit} -> folder r -> $(mapU tf r) -> tr r
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adamc@411
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60
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adamc@418
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61 val foldUR2 : tf1 :: Type -> tf2 :: Type -> tr :: ({Unit} -> Type)
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adamc@418
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62 -> (nm :: Name -> rest :: {Unit}
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adamc@629
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63 -> [[nm] ~ rest] =>
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adamc@418
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64 tf1 -> tf2 -> tr rest -> tr ([nm] ++ rest))
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adamc@643
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65 -> tr [] -> r :: {Unit} -> folder r -> $(mapU tf1 r) -> $(mapU tf2 r) -> tr r
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adamc@418
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66
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adamc@720
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67 val foldURX2: tf1 :: Type -> tf2 :: Type -> ctx :: {Unit}
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adamc@418
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68 -> (nm :: Name -> rest :: {Unit}
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adamc@629
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69 -> [[nm] ~ rest] =>
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adamc@720
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70 tf1 -> tf2 -> xml ctx [] [])
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adamc@720
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71 -> r :: {Unit} -> folder r -> $(mapU tf1 r) -> $(mapU tf2 r) -> xml ctx [] []
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adamc@418
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72
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adamc@623
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73 val foldR : K --> tf :: (K -> Type) -> tr :: ({K} -> Type)
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adamc@623
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74 -> (nm :: Name -> t :: K -> rest :: {K}
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adamc@629
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75 -> [[nm] ~ rest] =>
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adamc@355
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76 tf t -> tr rest -> tr ([nm = t] ++ rest))
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adamc@632
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77 -> tr [] -> r :: {K} -> folder r -> $(map tf r) -> tr r
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adamc@336
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78
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adamc@623
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79 val foldR2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type)
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adamc@623
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80 -> tr :: ({K} -> Type)
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adamc@623
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81 -> (nm :: Name -> t :: K -> rest :: {K}
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adamc@629
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82 -> [[nm] ~ rest] =>
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adamc@623
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83 tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
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adamc@623
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84 -> tr []
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adamc@632
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85 -> r :: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> tr r
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adamc@623
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86
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adamc@720
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87 val foldRX : K --> tf :: (K -> Type) -> ctx :: {Unit}
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adamc@623
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88 -> (nm :: Name -> t :: K -> rest :: {K}
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adamc@629
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89 -> [[nm] ~ rest] =>
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adamc@720
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90 tf t -> xml ctx [] [])
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adamc@720
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91 -> r :: {K} -> folder r -> $(map tf r) -> xml ctx [] []
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adamc@623
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92
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adamc@720
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93 val foldRX2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> ctx :: {Unit}
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adamc@623
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94 -> (nm :: Name -> t :: K -> rest :: {K}
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adamc@629
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95 -> [[nm] ~ rest] =>
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adamc@720
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96 tf1 t -> tf2 t -> xml ctx [] [])
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adamc@632
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97 -> r :: {K} -> folder r
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adamc@720
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98 -> $(map tf1 r) -> $(map tf2 r) -> xml ctx [] []
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adamc@445
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99
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adamc@682
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100 val queryI : tables ::: {{Type}} -> exps ::: {Type}
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adamc@682
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101 -> [tables ~ exps] =>
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adamc@682
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102 sql_query tables exps
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adamc@682
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103 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
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adamc@682
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104 -> transaction unit)
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adamc@682
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105 -> transaction unit
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adamc@682
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106
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adamc@720
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107 val queryX : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit}
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adamc@629
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108 -> [tables ~ exps] =>
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adamc@632
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109 sql_query tables exps
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adamc@632
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110 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
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adamc@720
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111 -> xml ctx [] [])
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adamc@720
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112 -> transaction (xml ctx [] [])
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adamc@341
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113
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adamc@720
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114 val queryX' : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit}
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adamc@629
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115 -> [tables ~ exps] =>
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adamc@632
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116 sql_query tables exps
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adamc@632
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117 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
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adamc@720
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118 -> transaction (xml ctx [] []))
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adamc@720
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119 -> transaction (xml ctx [] [])
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adamc@469
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120
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adamc@355
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121 val oneOrNoRows : tables ::: {{Type}} -> exps ::: {Type}
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adamc@629
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122 -> [tables ~ exps] =>
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adamc@629
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123 sql_query tables exps
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adamc@629
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124 -> transaction
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adamc@629
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125 (option
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adamc@629
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126 $(exps
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adamc@629
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127 ++ map (fn fields :: {Type} => $fields) tables))
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adamc@440
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128
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adamc@440
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129 val oneRow : tables ::: {{Type}} -> exps ::: {Type}
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adamc@629
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130 -> [tables ~ exps] =>
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adamc@629
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131 sql_query tables exps
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adamc@629
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132 -> transaction
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adamc@629
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133 $(exps
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adamc@629
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134 ++ map (fn fields :: {Type} => $fields) tables)
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adamc@629
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135
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adamc@470
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136 val eqNullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
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adamc@470
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137 -> t ::: Type -> sql_injectable (option t)
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adamc@470
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138 -> sql_exp tables agg exps (option t)
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adamc@470
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139 -> sql_exp tables agg exps (option t)
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adamc@470
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140 -> sql_exp tables agg exps bool
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adamc@470
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141
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adamc@470
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142 val eqNullable' : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
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adamc@470
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143 -> t ::: Type -> sql_injectable (option t)
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adamc@470
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144 -> sql_exp tables agg exps (option t)
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adamc@470
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145 -> option t
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adamc@470
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146 -> sql_exp tables agg exps bool
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