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authorMikolaj Konarski <mikolaj.konarski@funktory.com>2026-04-04 23:08:58 +0200
committerMikolaj Konarski <mikolaj.konarski@funktory.com>2026-04-04 23:52:03 +0200
commit67b62499a6d60fed9489f0371a8c841beb0c308f (patch)
treeb83d488760d2fcc6cf4be73c890824e8e6bc2480 /src/Data/Array/Nested/Shaped
parentdec7d6c47fe9b783e1a98008a4efffb77df6f393 (diff)
Use lazilyConcat for listxAppend
Diffstat (limited to 'src/Data/Array/Nested/Shaped')
-rw-r--r--src/Data/Array/Nested/Shaped/Shape.hs8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/Data/Array/Nested/Shaped/Shape.hs b/src/Data/Array/Nested/Shaped/Shape.hs
index 13596a7..fe55d1a 100644
--- a/src/Data/Array/Nested/Shaped/Shape.hs
+++ b/src/Data/Array/Nested/Shaped/Shape.hs
@@ -119,9 +119,9 @@ listsLast :: ListS (n : sh) i -> i
listsLast (_ ::$ sh@(_ ::$ _)) = listsLast sh
listsLast (n ::$ ZS) = n
-listsAppend :: ListS sh i -> ListS sh' i -> ListS (sh ++ sh') i
-listsAppend ZS idx' = idx'
-listsAppend (i ::$ idx) idx' = i ::$ listsAppend idx idx'
+listsAppend :: forall sh sh' i. ListS sh i -> ListS sh' i -> ListS (sh ++ sh') i
+listsAppend = gcastWith (unsafeCoerceRefl :: MapJust (sh ++ sh') :~: MapJust sh ++ MapJust sh') $
+ coerce (listxAppend @_ @_ @i)
listsZip :: ListS sh i -> ListS sh j -> ListS sh (i, j)
listsZip ZS ZS = ZS
@@ -219,7 +219,7 @@ ixsCast ZIS = ZIS
ixsCast (i :.$ idx) = i :.$ ixsCast idx
ixsAppend :: forall sh sh' i. IxS sh i -> IxS sh' i -> IxS (sh ++ sh') i
-ixsAppend = coerce (listsAppend @_ @i)
+ixsAppend = coerce (listsAppend @_ @_ @i)
ixsZip :: IxS sh i -> IxS sh j -> IxS sh (i, j)
ixsZip ZIS ZIS = ZIS