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bors 5855bd8579 Auto merge of #15587 - dfireBird:fix-15128, r=Veykril 
Fix autoimport does nothing when importing trait that is as _ imports

Potentially fixes #15128

There are two cases of imports:
1. With simple path
2. With use tree list (or say complex path).

On deeper inspection, the [`recursive_merge`](994df3d6a3/crates/ide-db/src/imports/merge_imports.rs (L87)) function (called by [`try_merge_trees_mut`)](994df3d6a3/crates/ide-db/src/imports/merge_imports.rs (L69)) is meaningful only in the case of complex path (i.e when the UseTree contains a UseTreeList).

The [`recursive_merge`](994df3d6a3/crates/ide-db/src/imports/merge_imports.rs (L87)) function has [match with `Ok` arm](994df3d6a3/crates/ide-db/src/imports/merge_imports.rs (L106)), that is only executed when both LHS and RHS has `PathSegment` with same `NameRef`. The removal of underscore is implemented in this arm in the case of complex path.

For simple paths, the underscore is removed by checking if both LHS and RHS are simple paths and if their `Path` is same (the check is done [here](994df3d6a3/crates/ide-db/src/imports/merge_imports.rs (L74))) and remove the underscore if one is found (I made an assumption here that RHS will always be what rust-analyzer suggests to import, because at this point I'm not sure how to remove underscore with help of `ted::replace`).
2023-09-22 07:39:11 +00:00
.cargo Less once_cell more std 2023-09-01 17:30:59 +02:00
.github Add hyper-0.14.18 to metrics 2023-09-03 11:39:29 +02:00
.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 #15587 - dfireBird:fix-15128, r=Veykril 2023-09-22 07:39:11 +00:00
docs Resolve inlay hint data 2023-09-02 18:28:35 +03:00
editors/code fmt 2023-09-05 15:45:52 -04:00
lib internal: unpin serde 2023-08-21 14:29:18 +01:00
xtask Add hyper-0.14.18 to metrics 2023-09-03 11:39:29 +02:00
.editorconfig Merge commit '37f84c101b' into sync-from-ra 2023-07-17 16:49:15 +03:00
.git-blame-ignore-revs add prettier format commit to ignored revisions 2022-05-17 18:15:51 +01:00
.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
Cargo.lock Update chalk version 2023-09-19 16:56:59 -07:00
Cargo.toml Switch to in-tree rustc dependencies with a cfg flag 2023-09-15 18:10:11 +03:30
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 ⬆️ rust-analyzer 2022-08-09 07:23:57 +03:00
rustfmt.toml Remove forcing \n via rustfmt 2019-11-02 22:19:59 +03:00
triagebot.toml Merge commit 'baee6b338b' into sync-from-ra 2023-08-07 12:03:15 +03:00

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 or 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.