On Wednesday, 6 November 2019 at 01:16:00 UTC, Manu wrote:
On Tue, Nov 5, 2019 at 5:14 PM Manu <[email protected]> wrote:

On Tue, Nov 5, 2019 at 1:20 PM John Chapman via Digitalmars-d-announce <[email protected]> wrote:
>
> On Tuesday, 5 November 2019 at 19:05:10 UTC, Manu wrote:
> > Incidentally, in your sample above there, `a` and `b` are > > not shared... why not just write: `cas(&a, null, b);` ?? > > If source data is not shared, you shouldn't cast to shared.
>
> Because casts were needed in 2.088 and earlier and I just > updated to 2.089, unaware of the API change. Should I log > `null` not working as a bug?

Yes

But I also think you should update your code to not perform the casts. Can you confirm that the null works when removing the shared casts?

Yes and no - it compiles when removing the casts, but AVs at runtime.

Bug filed: https://issues.dlang.org/show_bug.cgi?id=20359

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