Rust Language Server VS Racer

Compare Rust Language Server vs Racer and see what are their differences.

Rust Language Server

Repository for the Rust Language Server (aka RLS) (by rust-lang)

Racer

Rust Code Completion utility (by racer-rust)
Our great sponsors
  • WorkOS - The modern identity platform for B2B SaaS
  • InfluxDB - Power Real-Time Data Analytics at Scale
  • SaaSHub - Software Alternatives and Reviews
Rust Language Server Racer
6 2
3,568 3,362
- 0.0%
7.0 0.0
over 1 year ago 5 months ago
Rust Rust
GNU General Public License v3.0 or later MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Rust Language Server

Posts with mentions or reviews of Rust Language Server. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-04-05.
  • Why doesn't rust-analyzer reuse infrastructures of rustc?
    3 projects | /r/rust | 5 Apr 2023
    In the last there was RLS that did exactly that. But the approach of rust-analyzer was found to be more performant.
  • [RFC] Generate Cabal files from TOML
    6 projects | /r/haskell | 27 Jul 2022
    LSP support seems to be lacking as well, at least rust doesn't seem to have Cargo.toml support? https://github.com/rust-lang/rls/issues/785
  • Referencing files in subfolders and difference between borrowing and C like references
    1 project | /r/rust | 9 Mar 2022
    apparently, it means that you're using the old RLS-based Rust plugin for VS Code, rather than the rust-analyzer plugin. You probably won't see a lot of people familiar with RLS's error messages.
  • friendly reminder for our vscode folks, use rust-analyzer
    8 projects | /r/rust | 23 Dec 2021
    Why: The rust-analyzer extension integrates with rust-analyzer, an alternative language server for Rust. rust-analyzer tends to perform better and get less confused with your code as compared to RLS, which the Rust extension uses.
  • Show HN: Skruv – No-dependency, no-build, small JavaScript framework
    10 projects | news.ycombinator.com | 7 Apr 2021
    I have tried writing websites with rust instead of JavaScript. Unfortunately, the tooling is just not there. More specifically, I am talking about wasm-bindgen, which provides two-way bindings. The problem with it is that since all the declarations are generated with build.rs, there is no autocompletion. Since I am spoiled by modern tooling, no autocompletion to me means not feasible pass demo stage. (https://github.com/rust-lang/rls/issues/1489)

    Aside from the lack of autocompletion, passing rust closures to js land (DOM) is extremely janky as well. However, that might be caused by my lack of experience with rust.

    (If you are curious, this is what I made: https://github.com/SCLeoX/non-grid-path-finder)

  • José Valim The Creator Of The Elixir Programming
    1 project | /r/programming | 11 Feb 2021
    Python the core devs don't care about tooling and they have IDE's, Java is an enterprise monolith so IDE's are the standard, Rust yes it is (https://github.com/rust-lang/rls), Elm I have no idea I don't use it.

Racer

Posts with mentions or reviews of Racer. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-01-17.
  • Disable Racer and eldoc?
    1 project | /r/DoomEmacs | 5 Feb 2022
    I recently have decided to switch to it full time, and I've encountered some annoyances while developing in Rust in it. The default rust setup uses eldoc combined with racer, which has been deprecated for a while now, for auto completion and stuff like that.
  • rust-analyzer changelog #113
    4 projects | /r/rust | 17 Jan 2022
    On the server side, things are better, but RLS is still using racer for completions, which was never quite precise for me, and has a big disclaimer of "use rust-analyzer instead" in the README.

What are some alternatives?

When comparing Rust Language Server and Racer you can also consider the following projects:

Rustup - The Rust toolchain installer

rust-analyzer - A Rust compiler front-end for IDEs [Moved to: https://github.com/rust-lang/rust-analyzer]

rusty-tags - Create ctags/etags for a cargo project

rust-analyzer - A Rust compiler front-end for IDEs

vscode-rust

semantic-rs

neon - Rust bindings for writing safe and fast native Node.js modules.

Clippy - A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/

YouCompleteMe - A code-completion engine for Vim

artifact - The open source design documentation tool for everybody

tarpaulin - A code coverage tool for Rust projects