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-rw-r--r--src/Data/Array/Nested/Convert.hs7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/Data/Array/Nested/Convert.hs b/src/Data/Array/Nested/Convert.hs
index 8c88d23..3d0da37 100644
--- a/src/Data/Array/Nested/Convert.hs
+++ b/src/Data/Array/Nested/Convert.hs
@@ -75,12 +75,12 @@ shrFromShS (n :$$ sh) = fromSNat' n :$: shrFromShS sh
-- * To shaped
--- TODO: these take a ShS because there are KnownNats inside IxS.
-
+-- TODO: remove the ShS now that no KnownNats is inside IxS.
ixsFromIxR :: ShS sh -> IxR (Rank sh) i -> IxS sh i
ixsFromIxR ZSS ZIR = ZIS
ixsFromIxR (_ :$$ sh) (n :.: idx) = n :.$ ixsFromIxR sh idx
+-- TODO: if possible, remove the ShS now that no KnownNats is inside IxS.
-- | Performs a runtime check that @n@ matches @Rank sh@. Equivalent to the
-- following, but more efficient:
--
@@ -90,11 +90,12 @@ ixsFromIxR' ZSS ZIR = ZIS
ixsFromIxR' (_ :$$ sh) (n :.: idx) = n :.$ ixsFromIxR' sh idx
ixsFromIxR' _ _ = error "ixsFromIxR': index rank does not match shape rank"
--- TODO: this takes a ShS because there are KnownNats inside IxS.
+-- TODO: remove the ShS now that no KnownNats is inside IxS.
ixsFromIxX :: ShS sh -> IxX (MapJust sh) i -> IxS sh i
ixsFromIxX ZSS ZIX = ZIS
ixsFromIxX (_ :$$ sh) (n :.% idx) = n :.$ ixsFromIxX sh idx
+-- TODO: if possible, remove the ShS now that no KnownNats is inside IxS.
-- | Performs a runtime check that @Rank sh'@ match @Rank sh@. Equivalent to
-- the following, but more efficient:
--