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-rw-r--r--lib/ur/incl.ur40
1 files changed, 0 insertions, 40 deletions
diff --git a/lib/ur/incl.ur b/lib/ur/incl.ur
deleted file mode 100644
index 4ed27391..00000000
--- a/lib/ur/incl.ur
+++ /dev/null
@@ -1,40 +0,0 @@
-con incl' = K ==> fn (r1 :: {K}) (r2 :: {K}) (r' :: {K}) =>
- [r1 ~ r'] => {Expose : f :: ({K} -> Type) -> f r2 -> f (r1 ++ r'),
- Hide : f :: ({K} -> Type) -> f (r1 ++ r') -> f r2}
-
-con incl = K ==> fn (r1 :: {K}) (r2 :: {K}) =>
- tp :: Type -> (r' :: {K} -> [r1 ~ r'] => incl' r1 r2 r' -> tp) -> tp
-
-fun incl [K] [r1 :: {K}] [r2 :: {K}] [r1 ~ r2] =
- fn [tp :: Type] (f : r' :: {K} -> [r1 ~ r'] => incl' r1 (r1 ++ r2) r' -> tp) =>
- f [r2] ! (fn [r1 ~ r2] => {Expose = fn [f :: ({K} -> Type)] x => x,
- Hide = fn [f :: ({K} -> Type)] x => x})
-
-fun proj [r1 ::: {Type}] [r2 ::: {Type}] (i : incl r1 r2) (r : $r2) =
- i [$r1] (fn [r' :: {Type}] [r1 ~ r'] (i' : incl' r1 r2 r') =>
- i'.Expose [fn r => $r] r --- r')
-
-fun inv1 [K] [nm :: Name] [t :: K] [r :: {K}] [r' :: {K}] [[nm] ~ r]
- [f :: Name -> K -> {K} -> Type]
- (i : incl ([nm = t] ++ r) r')
- (f : nm :: Name -> t :: K -> r :: {K} -> [[nm] ~ r] => f nm t ([nm = t] ++ r)) =
- i [f nm t r'] (fn [r'' :: {K}] [[nm = t] ++ r ~ r''] (i' : incl' ([nm = t] ++ r) r' r'') =>
- i'.Hide [f nm t] (f [nm] [t] [r ++ r''] !))
-
-fun inv2 [K] [nm :: Name] [t :: K] [r :: {K}] [r' :: {K}] [[nm] ~ r]
- (i : incl ([nm = t] ++ r) r') =
- i [incl r r'] (fn [r'' :: {K}] [[nm = t] ++ r ~ r''] (i' : incl' ([nm = t] ++ r) r' r'') =>
- fn [tp :: Type] (f : r''' :: {K} -> [r ~ r'''] => incl' r r' r''' -> tp) =>
- f [[nm = t] ++ r''] ! (fn [r ~ [nm = t] ++ r''] =>
- {Expose = fn [f :: ({K} -> Type)] (x : f r') => i'.Expose [f] x,
- Hide = fn [f :: ({K} -> Type)] x => i'.Hide [f] x}))
-
-fun fold [K] [tf :: {K} -> Type] [r ::: {K}]
- (f : nm :: Name -> v :: K -> r' :: {K}
- -> [[nm] ~ r'] => incl ([nm = v] ++ r') r -> tf r' -> tf ([nm = v] ++ r'))
- (i : tf []) (fl : folder r) =
- @Top.fold [fn r' => incl r' r -> tf r']
- (fn [nm :: Name] [v :: K] [r' :: {K}] [[nm] ~ r'] acc i =>
- f [nm] [v] [r'] ! i (acc (inv2 [nm] [v] [r'] [r] i)))
- (fn _ => i)
- fl (incl [r] [[]])