use struct fields in trait default implementation?

[errant widget]

I'm pretty sure I've seen this is possible somewhere, but I can't seem to find it. I want to do something like this:

there might also be an entirely different way to go about this, or maybe this isn't possible at all. In any case any help is welcome!

[reef gorge]

You'd have to use macros for that.

And it wouldn't use the default implementation.

[errant widget]

oh gotchu

yeah I was thinking about macros but I didn't wanna get my feet wet tbh

or more like get my feet covered in molten lava

but it's fine

!solved

oh ya