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mirror of https://github.com/idris-lang/Idris2.git synced 2024-12-22 03:01:31 +03:00
Idris2/tests/idris2/total001/Total.idr
Edwin Brady 498421a236 All functions now need to be covering by default
This has caught a couple of things in the Idris 2 code base itself. Some
tests needed partial annotations too.
2020-05-24 19:58:20 +01:00

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Idris

%default partial
data Vect : Nat -> Type -> Type where
Nil : Vect Z a
(::) : a -> Vect k a -> Vect (S k) a
data Fin : Nat -> Type where
FZ : Fin (S k)
FS : Fin k -> Fin (S k)
lookup : Fin n -> Vect n a -> a
lookup FZ (x :: xs) = x
lookup (FS k) (x :: xs) = lookup k xs
lookup' : Fin n -> Vect n a -> a
lookup' (FS k) (x :: xs) = lookup' k xs
lookup'' : Fin n -> Vect n a -> a
lookup'' n xs = lookup' n xs