There are some RFCs that in combination would allow that: https://github.com/rust-lang/rfcs/pull/2756 https://github.com/rust-lang/rfcs/pull/2756 https://github

There are some RFCs that in combination would allow that: https://github.com/rust-lang/rfcs/pull/2756 https://github.com/rust-lang/rfcs/pull/2756 https://github.com/rust-lang/rfcs/pull/2981 https://github.com/rust-lang/rfcs/pull/2981