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annotate eq.ur @ 28:f55f66c6fdee

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Migrate ap method to Record module.
author Edward Z. Yang <ezyang@mit.edu>
date Thu, 26 Jul 2012 16:48:37 -0400
parents 744bf911dcc6
children
rev   line source
adam@6 1 con eq = K ==> fn (t1 :: K) (t2 :: K) => f :: (K -> Type) -> f t1 -> f t2
adam@6 2
adam@6 3 val refl [K] [t ::: K] : eq t t = fn [f :: (K -> Type)] x => x
adam@6 4
adam@6 5 fun sym [K] [t1 ::: K] [t2 ::: K] (e : eq t1 t2) : eq t2 t1 =
adam@6 6 e [fn t => eq t t1] refl
adam@6 7
adam@6 8 fun trans [K] [t1 ::: K] [t2 ::: K] [t3 ::: K] (e1 : eq t1 t2) (e2 : eq t2 t3) : eq t1 t3 =
adam@6 9 (sym e1) [fn t => eq t t3] e2
adam@6 10
adam@6 11 fun cast [K] [t1 ::: K] [t2 ::: K] (e : eq t1 t2) = e
adam@6 12
adam@6 13 fun fold [K] [tf :: {K} -> Type] [r ::: {K}]
adam@6 14 (f : pre :: {K} -> nm :: Name -> v :: K -> post :: {K} -> [pre ~ post] => [[nm] ~ pre ++ post] =>
adam@6 15 eq r (pre ++ [nm = v] ++ post) -> tf post -> tf ([nm = v] ++ post))
adam@6 16 (i : tf []) (fl : folder r) : tf r =
adam@6 17 @@Top.fold [fn post => pre :: {K} -> [pre ~ post] => eq r (pre ++ post) -> tf post]
adam@6 18 (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest]
adam@6 19 (acc : pre :: {K} -> [pre ~ rest] => eq r (pre ++ rest) -> tf rest)
adam@6 20 [pre :: {K}] [pre ~ [nm = t] ++ rest] pf =>
adam@14 21 f [pre] [nm] [t] [rest] pf (acc [[nm = t] ++ pre] pf))
adam@6 22 (fn [pre :: {K}] [pre ~ []] _ => i) [r] fl [[]] ! refl
adam@6 23
adam@6 24 fun foldUR [tr :: Type] [tf :: {Unit} -> Type] [r ::: {Unit}]
adam@6 25 (f : pre :: {Unit} -> nm :: Name -> post :: {Unit} -> [pre ~ post] => [[nm] ~ pre ++ post] =>
adam@6 26 eq r (pre ++ [nm] ++ post) -> tr -> tf post -> tf ([nm] ++ post))
adam@6 27 (i : tf []) (fl : folder r) (r : $(mapU tr r)) : tf r =
adam@6 28 @@fold [fn r' => $(mapU tr r') -> tf r'] [r]
adam@6 29 (fn [pre :: {Unit}] [nm :: Name] [u :: Unit] [post :: {Unit}] [pre ~ post] [[nm] ~ pre ++ post] pf acc r =>
adam@14 30 f [pre] [nm] [post] pf r.nm (acc (r -- nm)))
adam@6 31 (fn _ => i) fl r
adam@6 32
adam@6 33 fun foldR [K] [tr :: K -> Type] [tf :: {K} -> Type] [r ::: {K}]
adam@6 34 (f : pre :: {K} -> nm :: Name -> t :: K -> post :: {K} -> [pre ~ post] => [[nm] ~ pre ++ post] =>
adam@6 35 eq r (pre ++ [nm = t] ++ post) -> tr t -> tf post -> tf ([nm = t] ++ post))
adam@6 36 (i : tf []) (fl : folder r) (r : $(map tr r)) : tf r =
adam@6 37 @@fold [fn r' => $(map tr r') -> tf r'] [r]
adam@6 38 (fn [pre :: {K}] [nm :: Name] [t :: K] [post :: {K}] [pre ~ post] [[nm] ~ pre ++ post] pf acc r =>
adam@14 39 f [pre] [nm] [t] [post] pf r.nm (acc (r -- nm)))
adam@6 40 (fn _ => i) fl r
adam@6 41
adam@6 42 fun foldR2 [K] [tr1 :: K -> Type] [tr2 :: K -> Type] [tf :: {K} -> Type] [r ::: {K}]
adam@6 43 (f : pre :: {K} -> nm :: Name -> t :: K -> post :: {K} -> [pre ~ post] => [[nm] ~ pre ++ post] =>
adam@6 44 eq r (pre ++ [nm = t] ++ post) -> tr1 t -> tr2 t -> tf post -> tf ([nm = t] ++ post))
adam@6 45 (i : tf []) (fl : folder r) (r1 : $(map tr1 r)) (r2 : $(map tr2 r)) : tf r =
adam@6 46 @@fold [fn r' => $(map tr1 r') -> $(map tr2 r') -> tf r'] [r]
adam@6 47 (fn [pre :: {K}] [nm :: Name] [t :: K] [post :: {K}] [pre ~ post] [[nm] ~ pre ++ post] pf acc r1 r2 =>
adam@14 48 f [pre] [nm] [t] [post] pf r1.nm r2.nm (acc (r1 -- nm) (r2 -- nm)))
adam@6 49 (fn _ _ => i) fl r1 r2
adam@6 50
adam@6 51 fun foldR3 [K] [tr1 :: K -> Type] [tr2 :: K -> Type] [tr3 :: K -> Type] [tf :: {K} -> Type] [r ::: {K}]
adam@6 52 (f : pre :: {K} -> nm :: Name -> t :: K -> post :: {K} -> [pre ~ post] => [[nm] ~ pre ++ post] =>
adam@6 53 eq r (pre ++ [nm = t] ++ post) -> tr1 t -> tr2 t -> tr3 t -> tf post -> tf ([nm = t] ++ post))
adam@6 54 (i : tf []) (fl : folder r) (r1 : $(map tr1 r)) (r2 : $(map tr2 r)) (r3 : $(map tr3 r)) : tf r =
adam@6 55 @@fold [fn r' => $(map tr1 r') -> $(map tr2 r') -> $(map tr3 r') -> tf r'] [r]
adam@6 56 (fn [pre :: {K}] [nm :: Name] [t :: K] [post :: {K}] [pre ~ post] [[nm] ~ pre ++ post] pf acc r1 r2 r3 =>
adam@14 57 f [pre] [nm] [t] [post] pf r1.nm r2.nm r3.nm (acc (r1 -- nm) (r2 -- nm) (r3 -- nm)))
adam@6 58 (fn _ _ _ => i) fl r1 r2 r3
adam@6 59
adam@6 60 fun foldR4 [K] [tr1 :: K -> Type] [tr2 :: K -> Type] [tr3 :: K -> Type] [tr4 :: K -> Type] [tf :: {K} -> Type] [r ::: {K}]
adam@6 61 (f : pre :: {K} -> nm :: Name -> t :: K -> post :: {K} -> [pre ~ post] => [[nm] ~ pre ++ post] =>
adam@6 62 eq r (pre ++ [nm = t] ++ post) -> tr1 t -> tr2 t -> tr3 t -> tr4 t -> tf post -> tf ([nm = t] ++ post))
adam@6 63 (i : tf []) (fl : folder r) (r1 : $(map tr1 r)) (r2 : $(map tr2 r)) (r3 : $(map tr3 r)) (r4 : $(map tr4 r)) : tf r =
adam@6 64 @@fold [fn r' => $(map tr1 r') -> $(map tr2 r') -> $(map tr3 r') -> $(map tr4 r') -> tf r'] [r]
adam@6 65 (fn [pre :: {K}] [nm :: Name] [t :: K] [post :: {K}] [pre ~ post] [[nm] ~ pre ++ post] pf acc r1 r2 r3 r4 =>
adam@14 66 f [pre] [nm] [t] [post] pf r1.nm r2.nm r3.nm r4.nm (acc (r1 -- nm) (r2 -- nm) (r3 -- nm) (r4 -- nm)))
adam@6 67 (fn _ _ _ _ => i) fl r1 r2 r3 r4
adam@6 68
adam@6 69 fun mp [K] [tr :: K -> Type] [tf :: K -> Type] [r ::: {K}]
adam@6 70 (f : nm :: Name -> t :: K -> rest :: {K} -> [[nm] ~ rest] =>
adam@6 71 eq r ([nm = t] ++ rest) -> tr t -> tf t)
adam@6 72 (fl : folder r) (r : $(map tr r)) : $(map tf r) =
adam@6 73 @@foldR [tr] [fn r => $(map tf r)] [r]
adam@6 74 (fn [pre :: {K}] [nm :: Name] [t :: K] [post :: {K}] [pre ~ post] [[nm] ~ pre ++ post] pf r acc =>
adam@14 75 {nm = f [nm] [t] [pre ++ post] pf r} ++ acc)
adam@6 76 {} fl r