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bors 6f3030f316 Auto merge of #17586 - ShoyuVanilla:tuple-arg-macro-rest, r=Veykril 
Allow macro expansions into `RestPat` in tuple args work as ellipsis like plain `RestPat`

Fixes #17292

Currently, Rust Analyzer lowers `ast::Pat::RestPat` into `Pat::Missing` in general cases on the following lines;

ffbc5ad993/crates/hir-def/src/body/lower.rs (L1359-L1367)

And in some proper positions such as `TupleStruct(..)`, it is specially handed on the following lines;

ffbc5ad993/crates/hir-def/src/body/lower.rs (L1429-L1437)

This behavior is reasonable because rustc does similar things in
62c068feea/compiler/rustc_ast_lowering/src/pat.rs (L108-L111)
and
62c068feea/compiler/rustc_ast_lowering/src/pat.rs (L123-L142)

But this sometimes works differently because Rust Analyzer expands macros while ast lowering;

ffbc5ad993/crates/hir-def/src/body/lower.rs (L1386-L1398)
ffbc5ad993/crates/hir-def/src/body/lower.rs (L941-L963)
but rustc uses expanded ast in the corresponding tuple-handling process, so it does not have macro patterns there.
62c068feea/compiler/rustc_ast_lowering/src/pat.rs (L114)

So, if a macro expansion in a tuple arg results in `..`, rustc permits it like plain `..` pattern, but Rust Analyzer rejects it.
This is the root cause of #17292 and this PR allows macros expanded into `..` in a tuple arg position work as ellipsis like that.
2024-07-22 09:08:12 +00:00
.cargo fix: Fix generated markers not being patchable in package.json 2024-06-08 12:54:43 +02:00
.github Bump actions/download-artifact and upload-artifact 2024-06-25 20:32:09 +03:00
.vscode Spelling 2023-04-19 09:45:55 -04:00
assets Automatically change text color in logo based on dark mode 2022-03-06 23:06:53 +11:00
bench_data Spelling 2023-04-19 09:45:55 -04:00
crates Auto merge of #17586 - ShoyuVanilla:tuple-arg-macro-rest, r=Veykril 2024-07-22 09:08:12 +00:00
docs Auto merge of #17246 - davidbarsky:david/move-rust-project-generation-to-server, r=Veykril 2024-07-18 16:15:31 +00:00
editors/code Auto merge of #17667 - Veykril:r-a-component-override, r=Veykril 2024-07-22 08:54:06 +00:00
lib style: simplify string interpolation 2024-05-30 16:18:49 -07:00
xtask Fix edition used for include macro parsing 2024-07-19 20:29:53 +02:00
.editorconfig add max_line_length to .editorconfig 2024-01-20 17:14:00 +03:00
.git-blame-ignore-revs Show workspace info in the status bar 2024-04-26 11:28:33 +02:00
.gitattributes Fix .gitattributes for test_data 2022-07-24 14:05:35 +02:00
.gitignore internal: add "Shuffle Crate Graph" command 2021-12-07 16:37:19 +01:00
.typos.toml Implement rough symbol interning infra 2024-07-12 16:01:47 +02:00
Cargo.lock feature: move linked_projects discovery to the rust-analyzer server 2024-07-18 12:01:27 -04:00
Cargo.toml Use symbol in cfg 2024-07-16 10:41:42 +02:00
clippy.toml Lint debug prints and disallowed types with clippy 2024-02-01 17:57:27 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2024-04-18 10:24:40 +02:00
LICENSE-APACHE Licenses 2018-01-10 22:47:04 +03:00
LICENSE-MIT Licenses 2018-01-10 22:47:04 +03:00
PRIVACY.md Update privacy note 2021-12-23 14:04:15 +02:00
README.md Add CONTRIBUTING.md 2024-04-18 10:24:40 +02:00
rust-bors.toml Prepare for rust-bors 2023-10-05 15:26:09 +03:00
rust-version Preparing for merge from rust-lang/rust 2024-07-16 16:23:33 +03:00
rustfmt.toml Shuffle hir-expand things around 2024-01-26 19:28:39 +01:00
triagebot.toml Update triagebot.toml 2024-06-27 10:32:13 +02:00

README.md

rust-analyzer logo

rust-analyzer is a modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust.

Quick Start

https://rust-analyzer.github.io/manual.html#installation

Documentation

If you want to contribute to rust-analyzer check out the CONTRIBUTING.md or if you are just curious about how things work under the hood, check the ./docs/dev folder.

If you want to use rust-analyzer's language server with your editor of choice, check the manual folder. It also contains some tips & tricks to help you be more productive when using rust-analyzer.

Security and Privacy

See the corresponding sections of the manual.

Communication

For usage and troubleshooting requests, please use "IDEs and Editors" category of the Rust forum:

https://users.rust-lang.org/c/ide/14

For questions about development and implementation, join rust-analyzer working group on Zulip:

https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Frust-analyzer

Quick Links

License

rust-analyzer is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.