this post was submitted on 18 Jul 2023
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Rustc Trait System Refactor (blog.rust-lang.org)
submitted 1 year ago by Arbitrary@lemmy.fmhy.ml to c/rust@programming.dev
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[–] SorteKanin@feddit.dk 0 points 1 year ago

I guess it's only accessible to the mem::size_of because it has an implicit Sized bound as well. So really the bound is impl Into + Sized and I don't think the code using the function is assuming anything else.

But I do agree it feels weird. I feel like the function should know its return type regardless of how it is used?