Hello and welcome to another issue of This Week in Rust! Rust is a programming language empowering everyone to build reliable and efficient software. 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.

Updates from Rust Community

Official

Foundation

Member Spotlight: KDAB

Project/Tooling Updates

Observations/Thoughts

Rust Walkthroughs

Miscellaneous

Cancellation: RustFest Global EMEA Edition

Crate of the Week

This week's crate is ttrpc, a GRPC-like protocol implementation for memory-constrained environments.

Thanks to George Hahn for the suggestion.

Please 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.

Updates from the Rust Project

388 pull requests were merged in the last week

(note: We now also track rust-analyzer, which recently joined the rust-lang org)

Rust Compiler Performance Triage

A week with a large amount of changes in rollups, which makes performance triage difficult. The performance team and the infra team are working on finding ways to automate marking PRs as likely a poor choice for rolling up. Otherwise, the week overall saw a ~1% improvement in incremental check builds, with smaller improvements to incremental debug and release builds. A number of benchmarks have been updated in the last few weeks, which has meant a decrease in the automated noise assessment's algorithm performance, but that should settle out to steady state behavior on its own in the next few days.

Triage done by @simulacrum. Revision range: 949b98ca..4e1927d

5 Regressions, 4 Improvements, 7 Mixed; 7 of them in rollups 50 artifact comparisons made in total

Full report here

Approved RFCs

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

Add provide_any module to core

Final Comment Period

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

Upcoming Events

Rusty Events between 2022-04-20 - 2022-05-18 🦀

Virtual

2022-04-20 | Cardiff, UK | Rust and C++ Cardiff
- Rust image viewer from scratch
2022-04-20 | Philadelphia, PA, US | Rust Philly (Rust Philadelphia)
- Remote Book Club: Rust for Rustaceans Chapter Discussion
2022-04-20 | San Diego, CA, US | San Diego Rust
- San Diego Rust April 2022 Tele-Meetup
2022-04-20 | Vancouver, BC, CA | Vancouver Rust
- Rust Movie/Study/Hack/Hang-out night
2022-04-21 | Charlottesville, VA, US | Charlottesville Rust Meetup
- The Rusty Boss--directing the world with Rust, Bluetooth, and a Raspberry Pi
2022-04-26 | Berlin, DE | OpenTechSchool Berlin
- Rust Hack and Learn
2022-04-26 | Dallas, TX, US | Dallas Rust
- Last Tuesday
2022-04-26 | London, UK | Rust London User Group
- Rust (Hybrid) Hack & Learn
2022-04-27 | Stuttgart, DE | Rust Community Stuttgart
- Rust-Meetup
2022-04-28 | Linz, AU | Rust Linz
- Rust Meetup Linz - 21st Edition
2022-05-03 | Beijing, CN | WebAssembly and Rust Meetup (Rustlang)
- Monthly WasmEdge Community Meeting, a CNCF sandbox WebAssembly runtime
2022-05-03 | Buffalo, NY, US | Buffalo Rust Meetup
- Buffalo Rust User Group, First Tuesdays
2022-05-04 | Indianapolis, IN, US | Indy Rust
- Indy.rs - with Social Distancing
2022-05-04 | Philadelphia, PA, US | Rust Philly (Rust Philadelphia)
- Remote Book Club: Rust for Rustaceans Chapter Discussion
2022-05-05 | Charlottesville, VA, US | Charlottesville Rust Meetup
- Dealing with failure: producing and consuming Errors in Rust
2022-05-10 | Berlin, DE | OpenTechSchool Berlin
- Rust Hack and Learn
2022-05-10 | Dallas, TX, US | Dallas Rust
- Second Tuesday
2022-05-10 | Rostock, DE | Altow Academy
- 7. Rust Meetup Rostock
2022-05-10 | Seattle, WA, US | Seattle Rust Meetup
- Monthly meetup
2022-05-11 | Boulder, CO, US | Boulder Elixir and Rust
- Monthly Meetup
2022-05-12 | Nürnberg, DE | Rust Nurnberg DE
- Rust Nürnberg online
2022-05-12 | Stuttgart, DE | Rust Community Stuttgart
- Rust-Meetup
2022-05-17 | Washington, DC, US | Rust DC
- Mid-month Rustful
2022-05-18 | Vancouver, BC, CA | Vancouver Rust
- Rust Study/Hack/Hang-out night

Europe

2022-04-26 | London, UK | Rust London User Group
- Rust (Hybrid) Hack & Learn

North America

2022-04-27 | Boston, MA, US | Boston Rust Meetup
- Boston Rust Meetup at Amazon
2022-05-11 | Atlanta, GA, US | Rust ATL
- Grab a beer with fellow Rustaceans
2022-05-12 | Columbus, OH, US | Columbus Rust Society
- Monthly Meeting
2022-05-17 | San Francisco, CA, US | San Francisco Rust Study Group
- Rust Hacking in Person

Oceania

2022-04-21 | Melbourne, AUS | Rust Melbourne
- Rust Melbourne is back!

If you are running a Rust event please add it to the calendar to get it mentioned here. Please remember to add a link to the event too. Email the Rust Community Team for access.