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 we have two crates: memory-profiler, does what it says on the box. momo is a procedural macro that outlines generic conversions to reduce monomorphized code. Thanks to ehsanmok and llogiq for the suggestion!

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.

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

240 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:

No RFCs were approved 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.

New RFCs

No new RFCs were proposed this week.

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Quote of the Week

Just the presence of well integrated Algebraic Data Types (ADTs) makes an incredible amount of difference. They are used to represent errors in a meaningful and easy to understand way ( Result<T> ), are used to show that a function may or may not return a meaningful value without needing a garbage value ( Option<T> ), and the optional case can even be used to wrap a null pointer scenario in a safe way ( Option<Ref<T>> being the closest to a literal translation I think). That’s just one small feature that permeates the language. Whatever the opposite of a death-of-a-thousand-cuts is, Rust has it.

tomcatfish on the orange website

Thanks to PrototypeNM1 for the suggestion!

Please submit quotes and vote for next week!

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