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Most importantly, the finished MIR revolution [0] will finally allow developers to focus on new exciting features, like ergonomic "impl Trait" [1], incremental compilation, or even the beginnings of Gc [2].

[0]: https://github.com/rust-lang/rust/pull/35764

[1]: https://github.com/rust-lang/rust/issues/34511

[2]: http://manishearth.github.io/blog/2016/08/18/gc-support-in-r...

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> even the beginnings of Gc [2]

I was surprised to hear this and immediately thought "but why would you do such a thing!?" but I read the blog post and I'm impressed with the forethought that I certainly lacked. This is freaking genius.

AFAIK the MIR isn't on in 1.11 yet.

Yes, the stable release is lagging behind a bit, as it must be stable :)

That's correct, and why it was described as "the groundwork for" in this announcement.

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