...there's anything we can do about template performance also. And we have to make...

Yes. You can do match as a template, fairly well even, but when it goes...

It should be possible to make template structs assignable/initializable from a compatible wrapped type...

...recently finished [translating `_d_arraycatnTX()` to a template](https://github.com/dlang/dmd/pull/14550...

...of templates are literally 10 deep. One template forwards to the next, which forwards to...

...I missed the most having standardized with a template-free `match()` enabling fine-tuned diagnostics.

...though it won't exactly help the template slowness, work on getting newCTFE finished up?

...pass it as a `ref` to a template (either the local one or the hook...

...src/phobos/std/traits.d(3327): Error: template instance `core.internal.traits._hasIndirections!(S)` error...

...paid to what is "bad" in a template and CTFE, and what performs well. The...