The link below is the pull request for the feature. The RFC dates to 2019, and the tracking issue is slightly more than two years old. I'm guessing we only star

The link below is the pull request for the feature. The RFC dates to 2019, and the tracking issue is slightly more than two years old. I'm guessing we only started hearing about it when it became close to stabilization (around November last year?). https://github.com/rust-lang/rust/pull/90473/ https://github.com/rust-lang/rust/pull/90473/