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Matthias Krüger f75a1954eb
Rollup merge of #127692 - veera-sivarajan:bugfix-125139, r=estebank 
Suggest `impl Trait` for References to Bare Trait in Function Header

Fixes #125139

This PR suggests `impl Trait` when `&Trait` is found as a function parameter type or return type. This makes use of existing diagnostics by adding `peel_refs()` when checking for type equality.

Additionaly, it makes a few other improvements:
1. Checks if functions inside impl blocks have bare trait in their headers.
2. Introduces a trait `NextLifetimeParamName` similar to the existing `NextTypeParamName` for suggesting a lifetime name. Also, abstracts out the common logic between the two trait impls.

### Related Issues
I ran into a bunch of related diagnostic issues but couldn't fix them within the scope of this PR. So, I have created the following issues:
1. [Misleading Suggestion when Returning a Reference to a Bare Trait from a Function](https://github.com/rust-lang/rust/issues/127689)
2. [Verbose Error When a Function Takes a Bare Trait as Parameter](https://github.com/rust-lang/rust/issues/127690)
3. [Incorrect Suggestion when Returning a Bare Trait from a Function](https://github.com/rust-lang/rust/issues/127691)

r​? ```@estebank``` since you implemented  #119148
2024-09-03 19:13:23 +02:00
.github Update library/Cargo.toml in weekly job 2024-08-19 07:30:11 -05:00
compiler Rollup merge of #127692 - veera-sivarajan:bugfix-125139, r=estebank 2024-09-03 19:13:23 +02:00
library Rollup merge of #129916 - tshepang:basic-usage, r=ChrisDenton 2024-09-03 06:05:42 +02:00
LICENSES Include REUSE.toml in REUSE.toml. 2024-07-22 09:44:18 +01:00
src Rollup merge of #129917 - Kobzol:fix-beta-git, r=Mark-Simulacrum 2024-09-03 06:05:42 +02:00
tests Rollup merge of #127692 - veera-sivarajan:bugfix-125139, r=estebank 2024-09-03 19:13:23 +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 Exclude the copy blessing from git blame 2024-08-18 16:09:03 -07:00
.gitattributes Rename config.toml.example to config.example.toml 2023-03-11 14:10:00 -08:00
.gitignore gitignore: ignore ICE reports regardless of directory 2024-08-25 14:19:05 +03:00
.gitmodules Update to LLVM 19 2024-07-30 10:22:48 +02:00
.ignore Add .ignore file to make config.toml searchable in vscode 2024-06-24 10:15:16 +02:00
.mailmap Rollup merge of #129906 - BoxyUwU:boxy_mailmap, r=lqd 2024-09-02 22:35:23 +02:00
Cargo.lock update object dependency to deduplicate wasmparser 2024-09-01 15:36:44 +00:00
Cargo.toml Switch to using the v2 resolver in most workspaces 2024-08-18 13:59:09 -05:00
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
config.example.toml document build.cargo-clippy option 2024-08-26 08:28:54 +03:00
configure Ensure ./configure works when configure.py path contains spaces 2024-02-16 18:57:22 +00:00
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
INSTALL.md Rollup merge of #127434 - onur-ozkan:use-bootstrap-instead-of-rustbuild, r=Mark-Simulacrum 2024-07-13 20:19:45 -07:00
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 Remove the relnote for rustdoc's *unstable* --remap-path-prefix 2024-08-30 17:56:17 -07:00
REUSE.toml REUSE.toml: Copyright text isn't parsed as Markdown. 2024-08-06 11:04:55 +01:00
rust-bors.toml Increase timeout for new bors bot 2024-03-13 08:31:07 +01:00
rustfmt.toml Auto merge of #128083 - Mark-Simulacrum:bump-bootstrap, r=albertlarsan68 2024-07-30 17:49:08 +00:00
triagebot.toml Remove kobzol vacation status 2024-09-02 20:06:37 +02:00
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.