I write rust for no_std embedded devices and I just use stack_dst for this :) Of course you‘re right if you can‘t alloc, you can‘t use Box or similar stuff. A

I write rust for no_std embedded devices and I just use stack_dst for this :) Of course you‘re right if you can‘t alloc, you can‘t use Box or similar stuff. Also you can avoid a lot of performance hits if you just implement most stuff on the dyn Trait directly!