[Haskell-cafe] ghc-9.2.1 unboxed types compatibility

Bruno Damour bruno at ruomad.net
Sat Nov 6 12:08:01 UTC 2021

Well, maybe, but I have seen this in :


So it seems quite widespread… especially as a number of common libraries depend on these (persistent for example)

BTW there are a number of patches in headhackage for these

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> On Saturday, Nov 06, 2021 at 12:52 PM, Henning Thielemann <lemming at henning-thielemann.de (mailto:lemming at henning-thielemann.de)> wrote:
> On Sat, 6 Nov 2021, Bruno Damour wrote:
> > A significant number of libraries are broken by the changes in unboxed types.
> I have seen some breakage because of W# vs. W32#. But I suspect that those
> libraries do not really need to be implemented that low-level.
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