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-rw-r--r--src/Data/Array/Nested/Convert.hs8
1 files changed, 3 insertions, 5 deletions
diff --git a/src/Data/Array/Nested/Convert.hs b/src/Data/Array/Nested/Convert.hs
index d6bdc6a..155a1a7 100644
--- a/src/Data/Array/Nested/Convert.hs
+++ b/src/Data/Array/Nested/Convert.hs
@@ -57,10 +57,7 @@ import Data.Array.Nested.Types
-- * To ranked
--- TODO: change all those unsafeCoerces into coerces by defining shaped
--- and ranked index types as newtypes of the mixed index type
--- and similarly for the sized lists or, preferably, by defining
--- all as newtypes over [], exploiting fusion and getting free toList.
+-- This unsafeCoerce, exceptionally, can't be eliminated using newtype coercions.
ixrFromIxS :: IxS sh i -> IxR (Rank sh) i
ixrFromIxS = unsafeCoerce
@@ -83,8 +80,9 @@ shrFromShX = coerce
-- * To shaped
+-- This unsafeCoerce, exceptionally, can't be eliminated using newtype coercions.
ixsFromIxR :: IxR (Rank sh) i -> IxS sh i
-ixsFromIxR = unsafeCoerce -- TODO: switch to coerce once newtypes overhauled
+ixsFromIxR = unsafeCoerce
-- ixsFromIxX re-exported