I agree with this, mostly because all the macros I would use are mostly written already. If const generic expressions arrive, a lot of those could go away too.

I agree with this, mostly because all the macros I would use are mostly written already. If const generic expressions arrive, a lot of those could go away too. In languages like lisp or zig where metaprogramming is a central feature, what do they do differently to make it better? Would those things have worked for rust?