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-rw-r--r--lib/top.ur5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/top.ur b/lib/top.ur
index ec0e58af..4df12ff0 100644
--- a/lib/top.ur
+++ b/lib/top.ur
@@ -1,3 +1,6 @@
+con idT = fn t :: Type => t
+con record = fn t :: {Type} => $t
+
con mapTT (f :: Type -> Type) = fold (fn nm t acc => [nm] ~ acc =>
[nm = f t] ++ acc) []
@@ -5,7 +8,7 @@ fun compose (t1 ::: Type) (t2 ::: Type) (t3 ::: Type) (f1 : t2 -> t3) (f2 : t1 -
fun txt (t ::: Type) (ctx ::: {Unit}) (use ::: {Type}) (sh : show t) (v : t) = cdata (show sh v)
-fun foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type)
+val foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type)
(f : nm :: Name -> t :: Type -> rest :: {Type} -> [nm] ~ rest
-> tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
(i : tr []) =