looking for recommendation: which thread safe logger library?

[mw]

On Wednesday, 12 July 2023 at 01:24:41 UTC, mw wrote:
> Hi,
>
> Just wondering which logger library is thread safe?
>
> https://code.dlang.org/
>
> Need to find a mature one to be used in a multi-threaded env.
>

Oh, forget to mention: need output to logger file.