draft 246

Author: nasa42

drafts/2018-08-07-this-week-in-rust.md

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+Title: This Week in Rust 246
+Number: 246
+Date: 2018-08-07
+Category: This Week in Rust
+
+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).
+
+*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).
+
+# Updates from Rust Community
+
+## News & Blog Posts
+
+# Crate of the Week
+
+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!
+
+[Submit your suggestions and votes for next week][submit_crate]!
+
+[submit_crate]: https://users.rust-lang.org/t/crate-of-the-week/2704
+
+# 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.
+
+* [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).
+
+If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines].
+
+[guidelines]: https://users.rust-lang.org/t/twir-call-for-participation/4821
+
+# Updates from Rust Core
+
+158 pull requests were [merged in the last week][merged]
+
+[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2018-07-23..2018-07-31
+
+* [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)
+
+## Approved RFCs
+
+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:
+
+*No RFCs were approved this week.*
+
+## Final Comment Period
+
+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.
+
+### [RFCs](https://github.com/rust-lang/rfcs/labels/final-comment-period)
+
+* [disposition: merge] [Closures Capture Disjoint Fields](https://github.com/rust-lang/rfcs/pull/2229).
+
+### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period)
+
+* [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).
+
+## New RFCs
+
+* [Teach `concat!()` to join `[u8]` and byte `str`](https://github.com/rust-lang/rfcs/pull/2509).
+
+# Upcoming Events
+
+### Online
+
+* [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).
+
+### Africa
+
+* [Aug  7. Johannesburg, ZA - Monthly Meetup of the Johannesburg Rustaceans](https://www.meetup.com/Johannesburg-Rust-Meetup/events/cpblrnyxlbkb/).
+
+### Europe
+
+* [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/).
+
+### North America
+
+* [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/).**
+
+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.
+
+[calendar]: https://www.google.com/calendar/embed?src=apd9vmbc22egenmtu5l6c5jbfc%40group.calendar.google.com
+[community]: mailto:[email protected]
+
+# Rust Jobs
+
+* [Rust Engineer at Commure, Inc. (San Francisco, Boston, Montreal)](https://www.reddit.com/r/rust/comments/92e67g/commure_healthcare_software_startup_hiring_rust/).
+
+*Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
+
+# Quote of the Week
+
+> 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).
+
+Thanks to [Jules Kerssemakers](https://users.rust-lang.org/u/juleskers) for the suggestion!
+
+[Please submit your quotes for next week](http://users.rust-lang.org/t/twir-quote-of-the-week/328)!
+
+*This Week in Rust is edited by: [nasa42](https://github.com/nasa42) and [llogiq](https://github.com/llogiq).*