diff options
| -rw-r--r-- | src/Data/Array/Nested/Ranked/Shape.hs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Data/Array/Nested/Ranked/Shape.hs b/src/Data/Array/Nested/Ranked/Shape.hs index 837b1ac..488b4d8 100644 --- a/src/Data/Array/Nested/Ranked/Shape.hs +++ b/src/Data/Array/Nested/Ranked/Shape.hs @@ -134,6 +134,7 @@ listrCast = listrCastWithName "listrCast" listrIndex :: forall k n i. (k + 1 <= n) => SNat k -> ListR n i -> i listrIndex SZ (x ::: _) = x listrIndex (SS i) (_ ::: xs) | Refl <- lemLeqSuccSucc (Proxy @k) (Proxy @n) = listrIndex i xs +listrIndex _ ZR = error "k + 1 <= 0" listrZip :: ListR n i -> ListR n j -> ListR n (i, j) listrZip ZR ZR = ZR |