rustfmt VS Clippy

Compare rustfmt vs Clippy and see what are their differences.


A bunch of lints to catch common mistakes and improve your Rust code. Book: (by rust-lang)
Our great sponsors
  • - Learn 300+ open source libraries for free using AI.
  • WorkOS - The modern API for authentication & user identity.
  • InfluxDB - Power Real-Time Data Analytics at Scale
rustfmt Clippy
57 120
5,657 10,523
2.0% 2.3%
9.0 9.9
1 day ago 7 days ago
Rust Rust
Apache License 2.0 GNU General Public License v3.0 or later
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.


Posts with mentions or reviews of rustfmt. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-12-28.
  • You can't do that because I hate you
    9 projects | | 28 Dec 2023
    The author provides very surface-level criticism of two Rust tools, but they don't look into why those choices were made.

    With about five minutes of my time, I found out:

    wrap_comments was introduced in 2019 [0]. There are bugs in the implementation (it breaks Markdown tables), so the option hasn't been marked as stable. Progress on the issue has been spotty.

    --no-merge-sources is not trivial to re-implement [1]. The author has already explained why the flag no longer works -- Cargo integrated the command, but not all of the flags. This commit [2] explains why this functionality was removed in the first place.

    Rust is open source, so the author of this blog post could improve the state of the software they care about by championing these issues. The --no-merge-sources error message even encourages you to open an issue, presumably so that the authors of Cargo can gauge the importance of certain flags/features.

    You could even do something much simpler, like adding a comment to the related issues mentioning that you ran into these rough edges and that it made your life a little worse, or with a workaround that you found.

    Alternatively, you can continue to write about how much free software sucks.




  • Let else will finally be formatted by rustfmt soon
    5 projects | /r/rust | 3 Jul 2023
    The new style still supports single line let-else, and there is a configuration parameter to make it be on one line also for longer lines.
    5 projects | /r/rust | 3 Jul 2023
    Yacin Tmimi for actually implementing the bloody thing
  • Is rustfmt abandoned? Will it ever format `let ... else` syntax?
    11 projects | /r/rust | 3 Jun 2023
    I’m not sure they are? I don’t mean this to criticize anybody on the project — I’m sure they have other things going on — but there are a whole bunch of open PRs without even a single comment.
    11 projects | /r/rust | 3 Jun 2023
    It seems there is an issue about this dating all the way back from 2018 but yet it still hasn't been fixed.
    11 projects | /r/rust | 3 Jun 2023
  • Hey Rustaceans! Got a question? Ask here (22/2023)!
    10 projects | /r/rust | 29 May 2023
    However since 4179 recent versions should merge configuration files. Not sure what the details / specifics are but if just ignoring the file entirely is not good enough you might give it its own directory and rustfmt.toml file and see if that works.
  • Rust Tips and Tricks #PartOne
    3 projects | | 8 Apr 2023
    Rustfmt is a tool that formats Rust code in compliance with style guidelines. Its name precisely reflects its purpose. To install rustfmt, you can run rustup component add rustfmt. Once installed, you can execute cargo fmt to format Rust code in your workspace. If you require further information, you can visit rustfmt’s GitHub repository.
  • What are some good practices when writing rust?
    2 projects | /r/rust | 28 Feb 2023
    code must be formatted with rustfmt.
  • Hey Rustaceans! Got a question? Ask here (5/2023)!
    19 projects | /r/rust | 30 Jan 2023
    Yes, some cases are not yet supported (


Posts with mentions or reviews of Clippy. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-07-10.

What are some alternatives?

When comparing rustfmt and Clippy you can also consider the following projects:


rust.vim - Vim configuration for Rust.

rust-analyzer - A Rust compiler front-end for IDEs [Moved to:]

Rust for Visual Studio Code

intellij-rust - Rust plugin for the IntelliJ Platform

sublime-rust - The official Sublime Text 4 package for the Rust Programming Language

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

emacs-ycmd - Emacs client for ycmd, the code completion system.

CodeLLDB - A native debugger extension for VSCode based on LLDB