This Week in Rust - This Week in Rust 406

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This Week in Rust This Week in Rust
issue 406 — 01 SEP 2021

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

Newsletters

Project/Tooling Updates

Observations/Thoughts

Rust Walkthroughs

Miscellaneous

Crate of the Week

This week's crate is cargo-llvm-cov, a cargo subcommand for LLVM-based code coverage.

Thanks to Jacob Pratt 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 Rust Core

296 pull requests were merged in the last week

Rust Compiler Performance Triage

A very busy week with relatively even amounts of regressions and improvements (albeit with improvements outweighing regressions). The largest win was the use of profile-guided optimization (PGO) builds on x86_64 linux builds which brings fairly large improvements in real-world crates. There were 2 regressions that caused fairly large (~3.5%) regressions in real-world crates which need to be investigated.

Triage done by @rylev. Revision range: 33fdb..fe379

5 Regressions, 4 Improvements, 5 Mixed; 0 of them in rollups 56 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:

No RFCs were approved this week.

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.

RFCs

Tracking Issues & PRs

New RFCs

No new RFCs were proposed this week.

Upcoming Events

Online

North America

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.

Rust Jobs

NZXT

Polar Sync

Subspace Labs

Kollider

Kraken

TrueLayer

Tweet us at @ThisWeekInRust to get your job offers listed here!

Quote of the Week

Anyway: the standard library docs say "check the nomicon"
then the nomicon says "here is some advice and ultimately we don't know, maybe check UCG"
then UCG says "ultimately we don't know it's probably like this but there's no RFC yet"
then Ralf says "probably it should be allowed if the layout matches".

Lokathor on the Rust Zulip

Thanks to Riccardo D'Ambrosio for the suggestion!

Please submit quotes and vote for next week!

This Week in Rust is edited by: nellshamrell, llogiq, and cdmistman.

Discuss on r/rust

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This Week in Rust 405

Friday, August 27, 2021

Email isn't displaying correctly? Read this e-mail on the Web This Week in Rust issue 405 — 25 AUG 2021 Hello and welcome to another issue of This Week in Rust! Rust is a programming language

This Week in Rust 404

Thursday, August 19, 2021

Email isn't displaying correctly? Read this e-mail on the Web This Week in Rust issue 404 — 18 AUG 2021 Hello and welcome to another issue of This Week in Rust! Rust is a programming language

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Friday, August 13, 2021

Email isn't displaying correctly? Read this e-mail on the Web This Week in Rust issue 403 — 10 AUG 2021 Hello and welcome to another issue of This Week in Rust! Rust is a programming language

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Friday, August 6, 2021

Email isn't displaying correctly? Read this e-mail on the Web This Week in Rust issue 402 — 04 AUG 2021 Hello and welcome to another issue of This Week in Rust! Rust is a programming language

This Week in Rust 401

Friday, July 30, 2021

Email isn't displaying correctly? Read this e-mail on the Web This Week in Rust issue 401 — 28 JUL 2021 Hello and welcome to another issue of This Week in Rust! Rust is a programming language

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