draft 245

Author: nasa42

drafts/2018-08-31-this-week-in-rust.md

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+Title: This Week in Rust 245
+Number: 245
+Date: 2018-07-31
+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 [rav1e](https://github.com/xiph/rav1e), the fastest and safest AV1 encoder from Xiph.Org Foundation. 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.
+
+* [How to help test the 2018 edition](https://www.ncameron.org/blog/how-to-help-test-the-2018-edition/).
+* [bitwarden_rs: Looking for wannabe rustaceans, that'd like to get their feet wet](https://www.reddit.com/r/rust/comments/90xh79/looking_for_wannabe_rustaceans_thatd_like_to_get/).
+* [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
+
+151 pull requests were [merged in the last week][merged]
+
+[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2018-07-16..2018-07-23
+
+* [Cargo: Import `cargo fix` directly in to Cargo](https://github.com/rust-lang/cargo/pull/5723).
+* [Implement existential types](https://github.com/rust-lang/rust/pull/52024).
+* [Overhaul exit codes for rustc and rustdoc](https://github.com/rust-lang/rust/pull/52197).
+* [rustc: Stabilize `#[wasm_import_module]` as `#[link(...)]`](https://github.com/rust-lang/rust/pull/52445).
+* [Stabilize lint handling in rustdoc](https://github.com/rust-lang/rust/pull/52354).
+* [Deprecation of `str::slice_unchecked(_mut)`](https://github.com/rust-lang/rust/pull/51807).
+* [Lint `async` identifiers in 2018 preparation mode](https://github.com/rust-lang/rust/pull/52375).
+* [rustc: Enable `use_extern_macros` in 2018 edition](https://github.com/rust-lang/rust/pull/52472).
+* [Implement statfs for dragonfly, freebsd and openbsd](https://github.com/rust-lang/libc/pull/1039).
+* [Speed up `SparseBitMatrix` use in `RegionValues`](https://github.com/rust-lang/rust/pull/52250).
+* [mem::swap the obvious way for types smaller than the SIMD optimization's block size](https://github.com/rust-lang/rust/pull/52051).
+* [Cargo: Don't warn about ignored files in cargo-fix](https://github.com/rust-lang/cargo/pull/5770).
+* [rustc: Work around an upstream wasm ThinLTO bug](https://github.com/rust-lang/rust/pull/52506).
+* [Allow clippy to be installed with make install](https://github.com/rust-lang/rust/pull/52464).
+* [regex: expose lower level search APIs](https://github.com/rust-lang/regex/pull/493).
+* [Implement rfc 1789: Conversions from `&mut T` to `&Cell<T>`](https://github.com/rust-lang/rust/pull/50494).
+
+## 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:
+
+* [RFC 2289: Associated type bounds of form `MyTrait<AssociatedType: Bounds>`](https://github.com/rust-lang/rfcs/pull/2289).
+
+## 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)
+
+*No RFCs are currently in final comment period.*
+
+### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period)
+
+* [disposition: merge] [Tracking issue: RFC 2103 - attributes for tools](https://github.com/rust-lang/rust/issues/44690).
+* [disposition: merge] [Tracking issue for `ToOwned::clone_into` (`toowned_clone_into`)](https://github.com/rust-lang/rust/issues/41263).
+* [disposition: merge] [Modularize crate-local `#[macro_export] macro_rules`](https://github.com/rust-lang/rust/pull/52234).
+
+## New RFCs
+
+* [Fix the Error trait](https://github.com/rust-lang/rfcs/pull/2504).
+* [Make AcqRel universally usable as ordering mode](https://github.com/rust-lang/rfcs/pull/2503).
+
+# Upcoming Events
+
+### Online
+
+* [Jul 31. Rust Community Content Subteam Meeting at #rust-content on irc.mozilla.org](irc://irc.mozilla.org/rust-content).
+* [Aug  1. Rust Events Team Meeting in Telegram](https://t.me/joinchat/EkKINhHCgZ9llzvPidOssA).
+* [Aug  1. Rust Community Team Meeting in Discord](https://discordapp.com/channels/442252698964721669/443773747350994945).
+* [Aug  8. 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  1. Cologne, DE - Rust Cologne](https://www.meetup.com/RustCologne/events/252432033).
+* [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/).
+
+### North America
+
+* [Jul 29. Mountain View, US - Open Table / Icebreaker: what projects are you working on](https://www.meetup.com/Rust-Dev-in-Mountain-View/events/glnfcpyxkbmc/).
+* [Jul 31. Dallas, US - Last Tuesday Meetup](https://www.meetup.com/Dallas-Rust/events/zfgwzmyxkbpc/).
+* [Aug  1. Indianapolis, US - Indy.rs](https://www.meetup.com/indyrs/events/mffbtpyxlbcb/).
+* [Aug  1. Atlanta, US - Grab a beer with fellow Rustaceans](https://www.meetup.com/Rust-ATL/events/rhvgrmyxlbcb/).
+* [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 17. Portland, US - RustConf 2018](http://rustconf.com/).**
+
+### South America
+
+* [Jul 28. Florianópolis, BR - 2º Encontro Rust Floripa](https://www.meetup.com/rustfloripa/events/xvglrpyxkbkb/).
+
+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://news.ycombinator.com/item?id=17442861).
+
+*Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
+
+# Quote of the Week
+
+> I’ve just realized that “guarantees memory safety in the presence of bugs” is a nice way to describe Rust to C/C++ folks
+
+– [matklad](https://internals.rust-lang.org/t/size-hint-correctness-reproducibility-and-documentation/8058/4).
+
+Thanks to [TomP](https://users.rust-lang.org/t/twir-quote-of-the-week/328/545) 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).*