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Matthias Krüger c4d0c08925
Rollup merge of #126956 - joboet:fmt_no_extern_ty, r=RalfJung 
core: avoid `extern type`s in formatting infrastructure

```@RalfJung``` [said](https://rust-lang.zulipchat.com/#narrow/stream/219381-t-libs/topic/Use.20of.20.60extern.20type.60.20in.20formatting.20machinery/near/446552837):

>How attached are y'all to using `extern type` in the formatting machinery?
Seems like this was introduced a [long time ago](34ef8f5441). However, it's also [not really compatible with Stacked Borrows](https://github.com/rust-lang/unsafe-code-guidelines/issues/256), and only works currently because we effectively treat references-to-extern-type almost like raw pointers in Stacked Borrows -- which of course is unsound, it's not how LLVM works. I was planning to make Miri emit a warning when this happens to avoid cases like [this](https://github.com/rust-lang/rust/issues/126814#issuecomment-2183816373) where people use extern type specifically to silence Miri without realizing what happens. but with the formatting machinery using  extern type, this warning would just show up everywhere...
>
> The "proper" way to do this in Stacked Borrows is to use raw pointers (or `NonNull`).

This PR does just that.

r? ```@RalfJung```
 		2024-06-28 08:34:08 +02:00
.github Cache lintcheck binary in ci 2024-06-23 17:05:46 +00:00
.reuse Add `.clang-format` 2024-06-26 05:56:00 +08:00
LICENSES Add missing CC-BY-SA-4.0. 2023-11-27 11:03:53 +00:00
compiler Rollup merge of #124741 - nebulark:patchable-function-entries-pr, r=estebank,workingjubilee 2024-06-28 08:34:07 +02:00
library Rollup merge of #126956 - joboet:fmt_no_extern_ty, r=RalfJung 2024-06-28 08:34:08 +02:00
src Rollup merge of #126470 - onur-ozkan:optional-cargo-submodule, r=Kobzol 2024-06-28 08:34:07 +02:00
tests Rollup merge of #126956 - joboet:fmt_no_extern_ty, r=RalfJung 2024-06-28 08:34:08 +02:00
.clang-format Add `.clang-format` 2024-06-26 05:56:00 +08:00
.editorconfig Only use max_line_length = 100 for *.rs 2023-07-10 15:18:36 -07:00
.git-blame-ignore-revs Ignore compiletest test directive migration commits 2024-02-22 18:55:02 +00:00
.gitattributes Rename `config.toml.example` to `config.example.toml` 2023-03-11 14:10:00 -08:00
.gitignore Add `/rustc-ice*/ to `.gitignore` 2024-06-17 23:00:33 -05:00
.gitmodules refactor: add rustc-perf submodule to src/tools 2024-05-20 14:56:49 +00:00
.mailmap .mailmap: Associate both my work and my private email with me 2024-06-15 09:27:39 +02:00
CODE_OF_CONDUCT.md Remove the code of conduct; instead link https://www.rust-lang.org/conduct.html 2019-10-05 22:55:19 +02:00
CONTRIBUTING.md fix: Update CONTRIBUTING.md recommend -> recommended 2023-11-16 23:57:09 +05:30
COPYRIGHT Update COPYRIGHT file 2022-10-30 10:23:14 -04:00
Cargo.lock Add `ar` command in `run-make-support` 2024-06-27 14:04:46 +02:00
Cargo.toml chore: bump version 2024-06-21 18:20:47 -05:00
INSTALL.md chore: fix some comments 2024-03-27 22:32:53 +08:00
LICENSE-APACHE Remove appendix from LICENCE-APACHE 2019-12-30 14:25:53 +00:00
LICENSE-MIT LICENSE-MIT: Remove inaccurate (misattributed) copyright notice 2017-07-26 16:51:58 -07:00
README.md Use SVG logos in the README.md. 2024-04-03 19:48:20 +02:00
RELEASES.md Rollup merge of #126250 - epage:change, r=Mark-Simulacrum 2024-06-17 04:53:55 +01:00
config.example.toml Remove `src/tools/rust-demangler` 2024-06-19 20:41:34 +10:00
configure Ensure `./configure` works when `configure.py` path contains spaces 2024-02-16 18:57:22 +00:00
rust-bors.toml Increase timeout for new bors bot 2024-03-13 08:31:07 +01:00
rustfmt.toml Explain why `tests/ui-fulldeps/` is unformatted. 2024-06-04 14:15:45 +10:00
triagebot.toml Rollup merge of #126909 - onur-ozkan:add-kobzol, r=matthiaskrgr 2024-06-24 15:51:05 -04:00
x Make x capable of resolving symlinks 2023-10-14 17:53:33 +03:00
x.ps1 use `&` instead of start-process in x.ps1 2023-12-09 09:46:16 -05:00
x.py Fix recent python linting errors 2023-08-02 04:40:28 -04:00

README.md

This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.

Why Rust?

  • Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrate with other languages.

  • Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

  • Productivity: Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool (Cargo), auto-formatter (rustfmt), linter (Clippy) and editor support (rust-analyzer).

Quick Start

Read "Installation" from The Book.

Installing from Source

If you really want to install from source (though this is not recommended), see INSTALL.md.

Getting Help

See https://www.rust-lang.org/community for a list of chat platforms and forums.

Contributing

See CONTRIBUTING.md.

License

Rust is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), with portions covered by various BSD-like licenses.

See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.

Trademark

The Rust Foundation owns and protects the Rust and Cargo trademarks and logos (the "Rust Trademarks").

If you want to use these names or brands, please read the media guide.

Third-party logos may be subject to third-party copyrights and trademarks. See Licenses for details.