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Bringing that feature to Rust was under discussion for a while but it was ultimately withdrawn: https://github.com/rust-lang/rust/issues/27779#issuecomment-378

Bringing that feature to Rust was under discussion for a while but it was ultimately withdrawn: https://github.com/rust-lang/rust/issues/27779#issuecomment-378416911 https://github.com/rust-lang/rust/issues/27779#issuecomment-...

Georgelemental 4y ago
There is an open RFC that takes a different approach: https://github.com/rust-lang/rfcs/pull/2884 https://github.com/rust-lang/rfcs/pull/2884