Idris2/tests/idris2/literate/literate011/IEdit.md

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```idris
data Vect : Nat -> Type -> Type where
Nil : Vect Z a
(::) : a -> Vect k a -> Vect (S k) a
```
<!-- idris
%name Vect xs, ys, zs
-->
```idris
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)
```
<!-- idris
data Foobar = MkFoo
-->
```idris
showFooBar : Foobar -> String
showFooBar MkFoo = "MkFoo"
```