Re: in parameter - do we still need to add -preview=in ?

[Richard (Rikki) Andrew Cattermole via Digitalmars-d-learn]

On 11/11/2025 2:00 AM, Brother Bill wrote:

https://dlang.org/changelog/2.094.0.html#preview-in

My question is whether to get the optimal `const scope` behavior with `in`, do we still need to add:

    `-preview=in` to the CLI when compiling our D program?

Yes. It has not been turned on by default yet.