diff options
Diffstat (limited to 'lib/ur/top.ur')
| -rw-r--r-- | lib/ur/top.ur | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/ur/top.ur b/lib/ur/top.ur index 67e75573..a2395d4f 100644 --- a/lib/ur/top.ur +++ b/lib/ur/top.ur @@ -92,6 +92,12 @@ fun read_option [t ::: Type] (_ : read t) = fun txt [t] [ctx ::: {Unit}] [use ::: {Type}] (_ : show t) (v : t) = cdata (show v) +fun map0 [K] [tf :: K -> Type] (f : t :: K -> tf t) [r :: {K}] (fl : folder r) = + fl [fn r :: {K} => $(map tf r)] + (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest] acc => + acc ++ {nm = f [t]}) + {} + fun mp [K] [tf1 :: K -> Type] [tf2 :: K -> Type] (f : t ::: K -> tf1 t -> tf2 t) [r :: {K}] (fl : folder r) = fl [fn r :: {K} => $(map tf1 r) -> $(map tf2 r)] (fn [nm :: Name] [t :: K] [rest :: {K}] [[nm] ~ rest] acc r => |