|
| 1 | +Title: This Week in Rust 351 |
| 2 | +Number: 351 |
| 3 | +Date: 2020-08-11 |
| 4 | +Category: This Week in Rust |
| 5 | + |
| 6 | +Hello and welcome to another issue of *This Week in Rust*! |
| 7 | +[Rust](http://rust-lang.org) is a systems language pursuing the trifecta: safety, concurrency, and speed. |
| 8 | +This is a weekly summary of its progress and community. |
| 9 | +Want something mentioned? Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) or [send us a pull request](https://github.com/cmr/this-week-in-rust). |
| 10 | +Want to get involved? [We love contributions](https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md). |
| 11 | + |
| 12 | +*This Week in Rust* is openly developed [on GitHub](https://github.com/cmr/this-week-in-rust). |
| 13 | +If you find any errors in this week's issue, [please submit a PR](https://github.com/cmr/this-week-in-rust/pulls). |
| 14 | + |
| 15 | +Check out [this week's *This Week in Rust Podcast*](https://rustacean-station.org/episode/026-twir-350/) |
| 16 | + |
| 17 | +# Updates from Rust Community |
| 18 | + |
| 19 | +### Official |
| 20 | + |
| 21 | + |
| 22 | +### Tooling |
| 23 | + |
| 24 | + |
| 25 | +### Newsletters |
| 26 | + |
| 27 | + |
| 28 | +### Observations/Thoughts |
| 29 | + |
| 30 | + |
| 31 | +### Learn Standard Rust |
| 32 | + |
| 33 | + |
| 34 | +### Learn More Rust |
| 35 | + |
| 36 | + |
| 37 | +### Project Updates |
| 38 | + |
| 39 | + |
| 40 | +### Miscellaneous |
| 41 | + |
| 42 | + |
| 43 | +# Crate of the Week |
| 44 | + |
| 45 | +This week's crate is [partial-io](https://lib.rs/crates/partial-io), a set of helpers to test partial, interrupted and would-block I/O operations. |
| 46 | + |
| 47 | +Thanks to [Kornel](https://users.rust-lang.org/t/crate-of-the-week/2704/796) for the suggestion! |
| 48 | + |
| 49 | +[Submit your suggestions and votes for next week][submit_crate]! |
| 50 | + |
| 51 | +[submit_crate]: https://users.rust-lang.org/t/crate-of-the-week/2704 |
| 52 | + |
| 53 | +# Call for Participation |
| 54 | + |
| 55 | +Always wanted to contribute to open-source projects but didn't know where to start? |
| 56 | +Every week we highlight some tasks from the Rust community for you to pick and get started! |
| 57 | + |
| 58 | +Some of these tasks may also have mentors available, visit the task page for more information. |
| 59 | + |
| 60 | +*No issues were proposed for CfP*. |
| 61 | + |
| 62 | +If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines]. |
| 63 | + |
| 64 | +[guidelines]: https://users.rust-lang.org/t/twir-call-for-participation/4821 |
| 65 | + |
| 66 | +# Updates from Rust Core |
| 67 | + |
| 68 | +326 pull requests were [merged in the last week][merged] |
| 69 | + |
| 70 | +[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2020-07-27..2020-08-03 |
| 71 | + |
| 72 | +* [suppress debuginfo on naked function arguments](https://github.com/rust-lang/rust/pull/74105) |
| 73 | +* [normalize all opaque types when converting `ParamEnv` to `Reveal::All`](https://github.com/rust-lang/rust/pull/65989) |
| 74 | +* [ensure stack when type checking and building MIR for large if expressions](https://github.com/rust-lang/rust/pull/74708) |
| 75 | +* [replace a recursive algorithm with an iterative one](https://github.com/rust-lang/rust/pull/74983) |
| 76 | +* [fix `#[track_caller]` shims for trait objects](https://github.com/rust-lang/rust/pull/74784) |
| 77 | +* [make closures and generators `must_use` types](https://github.com/rust-lang/rust/pull/74869) |
| 78 | +* [`BTreeMap::drain_filter` should not touch the root during iteration](https://github.com/rust-lang/rust/pull/74762) |
| 79 | +* [add `str::`(`r`)`split_once`](https://github.com/rust-lang/rust/pull/74707) |
| 80 | +* [add `Vec::spare_capacity_mut`](https://github.com/rust-lang/rust/pull/75015) |
| 81 | +* [add `slice::array_chunks`](https://github.com/rust-lang/rust/pull/74373) |
| 82 | +* [stabilize `const_type_id`](https://github.com/rust-lang/rust/pull/72488) |
| 83 | +* [stabilize `Vec::leak` as a method](https://github.com/rust-lang/rust/pull/74605) |
| 84 | +* [stabilize `Result::as_deref` and `as_deref_mut`](https://github.com/rust-lang/rust/pull/74948) |
| 85 | +* [make `Option::unwrap` unstably const](https://github.com/rust-lang/rust/pull/74956) |
| 86 | +* [make `mem::size_of_val` and `mem::align_of_val` unstably const](https://github.com/rust-lang/rust/pull/74930) |
| 87 | +* [backtrace-rs: include source column numbers, where available](https://github.com/rust-lang/backtrace-rs/pull/367) |
| 88 | + |
| 89 | +## Rust Compiler Performance Triage |
| 90 | + |
| 91 | +* [2020-08-03](https://github.com/rust-lang/rustc-perf/blob/master/triage/2020-08-03.md). |
| 92 | + 8 regressions, 2 improvements, 1 of them on rollups. 1 outstanding nag from last week. |
| 93 | + |
| 94 | +## Approved RFCs |
| 95 | + |
| 96 | +Changes to Rust follow the Rust [RFC (request for comments) process](https://github.com/rust-lang/rfcs#rust-rfcs). These |
| 97 | +are the RFCs that were approved for implementation this week: |
| 98 | + |
| 99 | +* [RFC: 'C unwind' ABI](https://github.com/rust-lang/rfcs/pull/2945) |
| 100 | + |
| 101 | +## Final Comment Period |
| 102 | + |
| 103 | +Every week [the team](https://www.rust-lang.org/team.html) announces the |
| 104 | +'final comment period' for RFCs and key PRs which are reaching a |
| 105 | +decision. Express your opinions now. |
| 106 | + |
| 107 | +### [RFCs](https://github.com/rust-lang/rfcs/labels/final-comment-period) |
| 108 | + |
| 109 | +*No RFCs are currently in the final comment period.* |
| 110 | + |
| 111 | +### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period) |
| 112 | + |
| 113 | +*No Tracking Issues or PRs are currently in the final comment period.* |
| 114 | + |
| 115 | +## New RFCs |
| 116 | + |
| 117 | +* [Procedural vtables and wide ptr metadata](https://github.com/rust-lang/rfcs/pull/2967) |
| 118 | +* [Edition 2021 and beyond](https://github.com/rust-lang/rfcs/pull/2966) |
| 119 | + |
| 120 | +# Upcoming Events |
| 121 | + |
| 122 | +### Online |
| 123 | +* [August 5. Johannesburg, ZA - Johannesburg Rust Meetup - Monthly Joburg Rust Chat](https://www.meetup.com/Johannesburg-Rust-Meetup/events/271875886/) |
| 124 | +* [August 5. Dublin, IE - Rust Dublin - August Remote Meetup](https://www.meetup.com/Rust-Dublin/events/272162980/) |
| 125 | +* [August 5. Buffalo, NY, US - Buffalo Rust Meetup - Rust User Group](https://www.meetup.com/Buffalo-Rust-Meetup/events/271511557/) |
| 126 | +* [August 5. Indianapolis, IN, US - Indy Rust - Indy.rs with Social Distancing](https://www.meetup.com/indyrs/events/jhfstrybclbhb/) |
| 127 | +* [August 6. Linz, AT - Rust Meetup Linz - Kick Off](https://www.meetup.com/de-DE/Rust-Linz/events/271857182/) |
| 128 | +* [August 6. Berlin, DE - Berline.rs - Rust Hack and Learn](https://www.meetup.com/opentechschool-berlin/events/txcprrybclbjb/) |
| 129 | +* [August 11. Seattle, WA, US - Seattle Rust Meetup - Monthly meetup](https://www.meetup.com/Seattle-Rust-Meetup/events/gskksrybclbpb/) |
| 130 | +* [August 11. Saarbrücken, DE - Rust-Saar Meetup `3u16`](https://www.meetup.com/Rust-Saar/events/272044845/) |
| 131 | +* [August 13. San Diego, CA, US - San Diego Rust - August 2020 Tele-Meetup](https://www.meetup.com/San-Diego-Rust/events/272060817/) |
| 132 | + |
| 133 | +### North America |
| 134 | +* [August 13. Columbus, OH, US - Columbus Rust Society - Monthly Meeting](https://www.meetup.com/columbus-rs/events/dpkhgrybclbrb/) |
| 135 | + |
| 136 | +### Asia Pacific |
| 137 | + |
| 138 | +If you are running a Rust event please add it to the [calendar] to get |
| 139 | +it mentioned here. Please remember to add a link to the event too. |
| 140 | +Email the [Rust Community Team][community] for access. |
| 141 | + |
| 142 | +[calendar]: https://www.google.com/calendar/embed?src=apd9vmbc22egenmtu5l6c5jbfc%40group.calendar.google.com |
| 143 | +[community]: mailto:[email protected] |
| 144 | + |
| 145 | +# Rust Jobs |
| 146 | + |
| 147 | +*Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!* |
| 148 | + |
| 149 | +# Quote of the Week |
| 150 | + |
| 151 | +> *Empowering* is the perfect word to describe Rust in 2020. What used to be a rough adventure with many pitfalls has turned into something beautiful, something that can lift your spirit. At least, that’s what it did for me. |
| 152 | +
|
| 153 | +- [Mathias Lafeldt on his blog](https://sharpend.io/giving-rust-another-shot-in-2020/) |
| 154 | + |
| 155 | +Thanks to [Henrik Tougaard](https://users.rust-lang.org/t/twir-quote-of-the-week/328/915) for the suggestion! |
| 156 | + |
| 157 | +[Please submit quotes and vote for next week!](https://users.rust-lang.org/t/twir-quote-of-the-week/328) |
| 158 | + |
| 159 | +*This Week in Rust is edited by: [nellshamrell](https://github.com/nellshamrell), [llogiq](https://github.com/llogiq), and [cdmistman](https://github.com/cdmistman).* |
| 160 | + |
| 161 | +<small>[Discuss on r/rust](https://www.reddit.com/r/rust/comments/i094wo/this_week_in_rust_349/)</small> |
0 commit comments