May 07, 2017
I've just commented on the following thread on the 'internals' newsgroup:

  http://forum.dlang.org/thread/tiiuucwivajgsnooshrg@forum.dlang.org

I think this should be improved to display code that is being mixed-in.

Ali
May 09, 2017
On Sunday, 7 May 2017 at 15:16:48 UTC, Ali Çehreli wrote:
> I've just commented on the following thread on the 'internals' newsgroup:
>
>   http://forum.dlang.org/thread/tiiuucwivajgsnooshrg@forum.dlang.org
>
> I think this should be improved to display code that is being mixed-in.
>
> Ali

I just submitted a PR.
This will give you now all templates and mixin templates.
Of course it'll also print string-mixins.