mirror of
https://github.com/idris-lang/Idris2.git
synced 2024-12-17 00:10:31 +03:00
16 lines
304 B
Idris
16 lines
304 B
Idris
|
data Vect : Nat -> Type -> Type where
|
||
|
Nil : Vect Z a
|
||
|
(::) : a -> Vect k a -> Vect (S k) a
|
||
|
|
||
|
%name Vect xs, ys, zs
|
||
|
|
||
|
append : Vect n a -> Vect m a -> Vect (n + m) a
|
||
|
append xs ys
|
||
|
= case xs of
|
||
|
foo => ?bar
|
||
|
|
||
|
data Foo a = MkFoo a | MkBar (a -> a)
|
||
|
|
||
|
Functor Foo where
|
||
|
map f thing = ?baz
|