Hello and welcome to another issue of This Week in Rust! Rust is a systems language pursuing the trifecta: safety, concurrency, and speed. This is a weekly summary of its progress and community. Want something mentioned? Tweet us at @ThisWeekInRust or send us a pull request. Want to get involved? We love contributions.

This Week in Rust is openly developed on GitHub. If you find any errors in this week's issue, please submit a PR.

News & Blog Posts

Crate of the Week

This week's crate is bstr, a string type for Rust that is not required to be valid UTF-8.

Thanks to Willi Kappler for the suggestions!

Submit your suggestions and votes for next week!

Call for Participation

Always wanted to contribute to open-source projects but didn't know where to start? Every week we highlight some tasks from the Rust community for you to pick and get started!

Some of these tasks may also have mentors available, visit the task page for more information.

No issues were proposed for CfP.

If you are a Rust project owner and are looking for contributors, please submit tasks here.

223 pull requests were merged in the last week

Approved RFCs

Changes to Rust follow the Rust RFC (request for comments) process. These are the RFCs that were approved for implementation this week:

Every week the team announces the 'final comment period' for RFCs and key PRs which are reaching a decision. Express your opinions now.

No RFCs are currently in final comment period.

New RFCs

No new RFCs were proposed this week.

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Rust Jobs

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Quote of the Week

Hey @rustlang folks, is there a comprehensive writeup/reference anywhere of how the formatting machinery (format!(), write!(), etc.) work? Specifically from an implementation perspective (wrt trait objects, recursion)?

– James Munns

It’s dark and ancient magic. I don’t think anyone knows it very well, never mind documentation

– Nick R. Cameron

Thanks to mmmmib for the suggestion!

Please submit quotes and vote for next week!

This Week in Rust is edited by: nasa42 and llogiq.