mirror of
https://github.com/idris-lang/Idris2.git
synced 2024-12-29 22:51:51 +03:00
11 lines
256 B
Idris
11 lines
256 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
|
|
|
|
dupAll : Vect n a -> Vect n (a, a)
|
|
dupAll xs = zipHere xs xs
|
|
where
|
|
zipHere : forall n . Vect n a -> Vect n b -> Vect n (a, b)
|