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An experimental Rust compiler front-end for IDEs
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bors and detrumi Merge #1031
1031: Move most things out of ra_ide_api_light r=matklad a=detrumi

This moves everything except `structure` out of `ra_ide_api_light`. So this PR and #1019 finish up #1009, whichever is merged last should probably remove the `ra_ide_api_light` crate.

Also, `LocalEdit` was removed since it wasn't used any more.

Co-authored-by: Wilco Kusee <>
Latest commit 18a8f48 Mar 23, 2019
Type Name Latest commit message Commit time
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.cargo Add `cargo jinstall-lsp` as a shorthand to include jemalloc support Jan 29, 2019
.vscode revert change to "check" since "build" is intentional Mar 10, 2019
docs document work list Mar 23, 2019
editors Don't execute cargo watch when popup is dismissed Mar 22, 2019
.gitignore Some cleanup and additional tests Feb 1, 2019
.travis.yml fix verification on CI Jan 26, 2019
Cargo.lock Disable fork feature for proptest Mar 23, 2019
LICENSE-MIT Licenses Jan 10, 2018
bors.toml don't gate on appveyor Oct 9, 2018

Rust Analyzer

Build Status

Rust Analyzer is an experimental 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. If you want to get involved, check the rls-2.0 working group in the compiler-team repository:

Work on the Rust Analyzer is sponsored by

Ferrous Systems

Language Server Quick Start

Rust Analyzer is a work-in-progress, so you'll have to build it from source, and you might encounter critical bugs. That said, it is complete enough to provide a useful IDE experience and some people use it as a daily driver.

To build rust-analyzer, you need:

  • latest stable rust for language server itself
  • latest stable npm and VS Code for VS Code extension (code should be in path)

For setup for other editors, see ./docs/user.

# clone the repo
$ git clone && cd rust-analyzer

# install both the language server and VS Code extension
$ cargo install-code

# alternatively, install only the server. Binary name is `ra_lsp_server`.
$ cargo install-lsp


If you want to contribute to rust-analyzer or 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 ./docs/user folder. It also contains some tips & tricks to help you be more productive when using rust-analyzer.

Getting in touch

We are on the rust-lang Zulip!


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


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