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rust/compiler/rustc_typeck
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bors f8ab56bf32 Auto merge of #79576 - m-ou-se:2021, r=Mark-Simulacrum 
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.
```
2021-01-01 03:41:31 +00:00
..
src Auto merge of #79576 - m-ou-se:2021, r=Mark-Simulacrum 2021-01-01 03:41:31 +00:00
Cargo.toml Replace some trivial struct_span_err!s in typeck. 2020-09-01 23:05:56 +10:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.