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| Title: This Week in Rust 246 | ||
| Number: 246 | ||
| Date: 2018-08-07 | ||
| Category: This Week in Rust | ||
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| Hello and welcome to another issue of *This Week in Rust*! | ||
| [Rust](http://rust-lang.org) 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](https://twitter.com/ThisWeekInRust) or [send us a pull request](https://github.com/cmr/this-week-in-rust). | ||
| Want to get involved? [We love contributions](https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md). | ||
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| *This Week in Rust* is openly developed [on GitHub](https://github.com/cmr/this-week-in-rust). | ||
| If you find any errors in this week's issue, [please submit a PR](https://github.com/cmr/this-week-in-rust/pulls). | ||
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| # Updates from Rust Community | ||
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| ## News & Blog Posts | ||
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| # Crate of the Week | ||
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| This week's crate is [Taizen](https://github.com/NerdyPepper/taizen), a wikipedia browser for your terminal. Thanks to [nasa42](https://users.rust-lang.org/t/crate-of-the-week/2704/419) for suggestion! | ||
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| [Submit your suggestions and votes for next week][submit_crate]! | ||
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| [submit_crate]: https://users.rust-lang.org/t/crate-of-the-week/2704 | ||
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| # Call for Participation | ||
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| 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! | ||
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| Some of these tasks may also have mentors available, visit the task page for more information. | ||
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| * [Help test out the 2018 module system changes](https://internals.rust-lang.org/t/help-test-out-the-2018-module-system-changes/8047). | ||
| * [exercism.io needs Rust mentors](https://users.rust-lang.org/t/exercism-io-needs-mentors/19222). | ||
| * [jsonwebtoken: Add ES* family](https://github.com/Keats/jsonwebtoken/issues/21). | ||
| * [Get started with these beginner-friendly issues](https://www.rustaceans.org/findwork/starters). | ||
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| If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines]. | ||
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| [guidelines]: https://users.rust-lang.org/t/twir-call-for-participation/4821 | ||
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| # Updates from Rust Core | ||
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| 158 pull requests were [merged in the last week][merged] | ||
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| [merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2018-07-23..2018-07-31 | ||
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| * [try to fix an ICE](https://github.com/rust-lang/rust/pull/52673) | ||
| * [abort if a promoted fails to be const evaluable and its runtime checks didn't trigger](https://github.com/rust-lang/rust/pull/52571) | ||
| * [allow declaring existential types inside blocks](https://github.com/rust-lang/rust/pull/52645) | ||
| * [do not overwrite child def-id in place but rather remove/insert](https://github.com/rust-lang/rust/pull/52546) | ||
| * [format linker args in a way that works for gcc and ld](https://github.com/rust-lang/rust/pull/52654) | ||
| * [rustc: implement tokenization of nested items](https://github.com/rust-lang/rust/pull/52618) | ||
| * [buffer NLL errors](https://github.com/rust-lang/rust/pull/52566) | ||
| * [don't match on region kinds when reporting NLL errors](https://github.com/rust-lang/rust/pull/52617) | ||
| * [NLL: improve the "fully elaborated type" case in region errors](https://github.com/rust-lang/rust/pull/52648) | ||
| * [NLL: use better spans in some errors](https://github.com/rust-lang/rust/pull/52678) | ||
| * [NLL: make temp for each candidate in `match` arm](https://github.com/rust-lang/rust/pull/52733) | ||
| * [NLL: fix some things for bootstrap](https://github.com/rust-lang/rust/pull/52830) | ||
| * [suggest underscore when using dashes in crate name](https://github.com/rust-lang/rust/pull/52740) | ||
| * [suggest fix when encountering different mutability from impl to trait](https://github.com/rust-lang/rust/pull/52702) | ||
| * [do a basic sanity check for all constant values](https://github.com/rust-lang/rust/pull/51361) | ||
| * [tweak the raw_identifiers lints in 2018](https://github.com/rust-lang/rust/pull/52722) | ||
| * [change ManuallyDrop<T> to a lang item](https://github.com/rust-lang/rust/pull/52711) | ||
| * [don't use NonNull::dangling as sentinel value in Rc, Arc](https://github.com/rust-lang/rust/pull/52637) | ||
| * [add unaligned volatile intrinsics](https://github.com/rust-lang/rust/pull/52391) | ||
| * [`impl PartialEq+Eq for BuildHasherDefault`](https://github.com/rust-lang/rust/pull/52402) | ||
| * [`impl Executor for Box<E: Executor>`](https://github.com/rust-lang/rust/pull/52674) | ||
| * [`impl std::ops::Try for std::task::Poll`](https://github.com/rust-lang/rust/pull/52721) | ||
| * [`impl Send & Sync for JoinHandle`](https://github.com/rust-lang/rust/pull/52759) | ||
| * [make `memrchr` use `align_offset`](https://github.com/rust-lang/rust/pull/52744) | ||
| * [stablize Redox Unix Sockets](https://github.com/rust-lang/rust/pull/52656) | ||
| * [don't `format!()` string literals](https://github.com/rust-lang/rust/pull/52805) | ||
| * [`cargo -Zcompile-progress`: use the target name in the progress bar when building a test/binary](https://github.com/rust-lang/cargo/pull/5828) | ||
| * [rustdoc: rework how default passes are chosen](https://github.com/rust-lang/rust/pull/52751) | ||
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| ## Approved RFCs | ||
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| Changes to Rust follow the Rust [RFC (request for comments) | ||
| process](https://github.com/rust-lang/rfcs#rust-rfcs). These | ||
| are the RFCs that were approved for implementation this week: | ||
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| *No RFCs were approved this week.* | ||
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| ## Final Comment Period | ||
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| Every week [the team](https://www.rust-lang.org/team.html) announces the | ||
| 'final comment period' for RFCs and key PRs which are reaching a | ||
| decision. Express your opinions now. | ||
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| ### [RFCs](https://github.com/rust-lang/rfcs/labels/final-comment-period) | ||
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| * [disposition: merge] [Closures Capture Disjoint Fields](https://github.com/rust-lang/rfcs/pull/2229). | ||
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| ### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period) | ||
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| * [disposition: merge] [Tracking issue for `:vis` macro matcher](https://github.com/rust-lang/rust/issues/41022). | ||
| * [disposition: merge] [Tracking issue for RFC 2093: Infer `T: 'x` outlives requirements on structs](https://github.com/rust-lang/rust/issues/44493). | ||
| * [disposition: merge] [Tracking issue for RFC 2151, Raw Identifiers](https://github.com/rust-lang/rust/issues/48589). | ||
| * [disposition: merge] [Tracking issue for `ToOwned::clone_into` (`toowned_clone_into`)](https://github.com/rust-lang/rust/issues/41263). | ||
| * [disposition: merge] [Calculate capacity when collecting into Option and Result](https://github.com/rust-lang/rust/pull/52910). | ||
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| ## New RFCs | ||
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| * [Teach `concat!()` to join `[u8]` and byte `str`](https://github.com/rust-lang/rfcs/pull/2509). | ||
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| # Upcoming Events | ||
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| ### Online | ||
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| * [Aug 8. Rust Community Team Meeting in Discord](https://discordapp.com/channels/442252698964721669/443773747350994945). | ||
| * [Aug 14. Rust Community Content Subteam Meeting at #rust-content on irc.mozilla.org](irc://irc.mozilla.org/rust-content). | ||
| * [Aug 15. Rust Events Team Meeting in Telegram](https://t.me/joinchat/EkKINhHCgZ9llzvPidOssA). | ||
| * [Aug 15. Rust Community Team Meeting in Discord](https://discordapp.com/channels/442252698964721669/443773747350994945). | ||
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| ### Africa | ||
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| * [Aug 7. Johannesburg, ZA - Monthly Meetup of the Johannesburg Rustaceans](https://www.meetup.com/Johannesburg-Rust-Meetup/events/cpblrnyxlbkb/). | ||
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| ### Europe | ||
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| * [Aug 8. Berlin, DE - Binding to Rust from everything](https://www.meetup.com/Rust-Berlin/events/252872742/). | ||
| * [Aug 8. Berlin, DE - OpenTechSchool - Rust Hack and Learn](https://www.meetup.com/opentechschool-berlin/events/xkdlvpyxlblb/). | ||
| * [Aug 10. Frankfurt, DE - Rhein-Main Rust Meetup (with Special Guest)](https://www.meetup.com/Rust-Rhein-Main/events/253311151). | ||
| * [Aug 16. Cambridge, GB - Cambridge Rust Meetup](https://www.meetup.com/Cambridge-Rust-Meetup/events/pzwshpyxlbvb/). | ||
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| ### North America | ||
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| * [Aug 5. Mountain View, US - Open Table / Icebreaker: what projects are you working on](https://www.meetup.com/Rust-Dev-in-Mountain-View/events/glnfcpyxlbhb/). | ||
| * [Aug 8. Vancouver, CA - Rust Study/Hack/Hang-out night](https://www.meetup.com/Vancouver-Rust/events/dqldspyxlblb/). | ||
| * [Aug 9. Arlington, US - Rust DC - Mid-month Rustful](https://www.meetup.com/RustDC/events/252742624). | ||
| * [Aug 9. Columbus, US - Columbus Rust Society - Monthly Meeting](https://www.meetup.com/columbus-rs/events/dbcfrpyxlbmb/). | ||
| * [Aug 9. Lehi, UT - Utah Rust - Monthly Meeting #3](https://www.meetup.com/utahrust/events/252760018/). | ||
| * [Aug 12. Mountain View, US - Open Table / Icebreaker: what projects are you working on](https://www.meetup.com/Rust-Dev-in-Mountain-View/events/glnfcpyxlbqb/). | ||
| * [Aug 13. Seattle, US - Monthly Rust Meetup](https://www.meetup.com/Seattle-Rust-Meetup/events/pkggvpyxlbrb/). | ||
| * **[Aug 17. Portland, US - RustConf 2018](http://rustconf.com/).** | ||
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| If you are running a Rust event please add it to the [calendar] to get | ||
| it mentioned here. Email the [Rust Community Team][community] for access. | ||
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| [calendar]: https://www.google.com/calendar/embed?src=apd9vmbc22egenmtu5l6c5jbfc%40group.calendar.google.com | ||
| [community]: mailto:[email protected] | ||
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| # Rust Jobs | ||
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| * [Rust Engineer at Commure, Inc. (San Francisco, Boston, Montreal)](https://www.reddit.com/r/rust/comments/92e67g/commure_healthcare_software_startup_hiring_rust/). | ||
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| *Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!* | ||
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| # Quote of the Week | ||
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| > Rust is more restrictive, indeed. But only in the sense that a car with seatbelts is more restrictive than one without: both reach the same top speed, but only one of them will save you in a bad day 😊 | ||
| – [Felix91gr on rust-users](https://users.rust-lang.org/t/which-language-gives-users-more-control-c-or-rust/19034/8). | ||
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| Thanks to [Jules Kerssemakers](https://users.rust-lang.org/u/juleskers) for the suggestion! | ||
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| [Please submit your quotes for next week](http://users.rust-lang.org/t/twir-quote-of-the-week/328)! | ||
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| *This Week in Rust is edited by: [nasa42](https://github.com/nasa42) and [llogiq](https://github.com/llogiq).* |