On Wed, 5 Mar 2025 at 17:31, Per Nordlöw via Digitalmars-d <digitalmars-d@puremagic.com> wrote:

On Tuesday, 4 March 2025 at 12:22:36 UTC, Manu wrote:
>> Tried converting a couple of usages of `emplace` and
>> `moveEmplace` in a repo of mine and discovered that I'm
>> missing a way to express
>>
>> `moveEmplace(x, y)`
>>
>> as
>>
>> `new(y) typeof(y)(__rvalue(x))`
>>
>> . This doesn't always work eventough `y` being assignable from
>> `x`.
>>
>
> Is it this issue: https://github.com/dlang/dmd/issues/20950 ??

Yes, it is. Thanks.

Walter seems preoccupied at the moment, and I've been working on the move semantics stuff. If you want to have a go at this bug, that'd be really cool. I imagine it's probably a trivial fix; finding it is always the hard part :P

I don't know DMD well enough to have any intuition for the codebase, so everything takes me forever to isolate...