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Add edition 2021. 🎆 Happy new ~~year~~ Rust. 🍾 This adds --edition=2021, and updates suggestions about 2018 to say "2018 *or later*". Related Cargo PR: https://github.com/rust-lang/cargo/pull/8922 --- Edit: This adds the new edition as *unstable*. Without `-Z unstable-options`, `--edition=2021` results in: ``` $ rustc --edition=2021 error: edition 2021 is unstable and only available with -Z unstable-options. ```
This directory contains the source code of the rust project, including:
- The test suite
- The bootstrapping build system
- Various submodules for tools, like rustdoc, rls, etc.
For more information on how various parts of the compiler work, see the rustc dev guide.