The trait_alias[1] nightly feature might be what you want :) It was dormant for a long time, but it seems like it might be getting some love towards stabilizat

The trait_alias[1] nightly feature might be what you want :) It was dormant for a long time, but it seems like it might be getting some love towards stabilization (or outright removal, I guess) at some point in the medium future. [1]: https://doc.rust-lang.org/beta/unstable-book/language-features/trait-alias.html https://doc.rust-lang.org/beta/unstable-book/language-featur...