draft 244

Author: nasa42

drafts/2018-07-24-this-week-in-rust.md

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+Title: This Week in Rust 244
+Number: 244
+Date: 2018-07-24
+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 [paste](https://github.com/jkcclemens/paste), a self-hosted pastebin made of a lot of Rust and a little Ruby. Thanks to [Kyle Clemens](https://users.rust-lang.org/u/jkcclemens) for both crate and 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 port musl's libm to Rust, for math support in WASM/core/no_std code](https://mobile.twitter.com/japaricious/status/1017934106318032901).
+* [image-png: Unbounded memory consumption on malformed inputs](https://github.com/PistonDevelopers/image-png/issues/80).
+* [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
+
+172 pull requests were [merged in the last week][merged]
+
+[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2018-07-09..2018-07-16
+
+* [add the `amdgpu-kernel` ABI](https://github.com/rust-lang/rust/pull/52032)
+* [infinite loop detection for const evaluation](https://github.com/rust-lang/rust/pull/51702)
+* [chalk lowering rule: WellFormed-TraitRef](https://github.com/rust-lang/rust/pull/50250)
+* [fix ICE when using a pointer cast as array size](https://github.com/rust-lang/rust/pull/52314)
+* [implement `#[alloc_error_handler]`](https://github.com/rust-lang/rust/pull/52191)
+* [improve error message shown for unsafe operations](https://github.com/rust-lang/rust/pull/52207)
+* [remove most of `PartialEq` and `Hash` impls from AST and HIR structures](https://github.com/rust-lang/rust/pull/51829)
+* [deny bare trait objects in the rest of rust](https://github.com/rust-lang/rust/pull/52302)
+* [reach the body of functions returning `impl Trait` but don't treat it as public](https://github.com/rust-lang/rust/pull/52348)
+* [NLL: suggest `ref mut` and `&mut self`](https://github.com/rust-lang/rust/pull/52242)
+* [resolve: functions introducing procedural macros reserve a slot in the macro namespace as well](https://github.com/rust-lang/rust/pull/52383)
+* [proc_macro: fix crate root detection](https://github.com/rust-lang/rust/pull/52328)
+* [correct suggestion for println](https://github.com/rust-lang/rust/pull/51614)
+* [do not attempt to recompile codegen backend(s) with --keep-stage](https://github.com/rust-lang/rust/pull/52360)
+* [openbsd fix](https://github.com/rust-lang/libc/pull/1040)
+* [rustc: stabilize the `proc_macro` feature](https://github.com/rust-lang/rust/pull/52081)
+* [ensure StorageDead is created even if variable initialization fails](https://github.com/rust-lang/rust/pull/52046)
+* [rustc_codegen_llvm: replace the first argument early in FnType::new_vtable](https://github.com/rust-lang/rust/pull/52089)
+* [change RangeInclusive to a three-field struct](https://github.com/rust-lang/rust/pull/51622)
+* [add ExactChunks::remainder and ExactChunks::into_remainder](https://github.com/rust-lang/rust/pull/51339)
+* [implement `Option::replace` in the core library](https://github.com/rust-lang/rust/pull/52003)
+* [add `#[repr(transparent)]` to `Atomic*` types](https://github.com/rust-lang/rust/pull/52149)
+* [remove sync::Once::call_once 'static bound](https://github.com/rust-lang/rust/pull/52239)
+* [improve Debug display for a few types](https://github.com/rust-lang/cargo/pull/5712)
+* [cargo: most sorts can be unstable](https://github.com/rust-lang/cargo/pull/5732)
+* [implement default-run option to set default binary for cargo run](https://github.com/rust-lang/cargo/pull/5710)
+* [rustdoc: don't panic when the cross-re-export handler sees a proc-macro](https://github.com/rust-lang/rust/pull/52361)
+
+## 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] [Associated type bounds of form `MyTrait<AssociatedType: Bounds>`](https://github.com/rust-lang/rfcs/pull/2289).
+
+### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period)
+
+* [disposition: merge] [resolve: Modularize crate-local `#[macro_export] macro_rules`](https://github.com/rust-lang/rust/pull/52234).
+* [disposition: merge] [Change behavior of `?` as a macro separator and Kleene op in 2018 edition](https://github.com/rust-lang/rust/issues/51934).
+* [disposition: merge] [Deprecation of `str::slice_unchecked(_mut)`](https://github.com/rust-lang/rust/pull/51807).
+* [disposition: merge] [Tracking issue for `ToOwned::clone_into` (`toowned_clone_into`)](https://github.com/rust-lang/rust/issues/41263).
+* [disposition: close] [NLL lets borrowck observe drop order for `let (a, b);`](https://github.com/rust-lang/rust/issues/51036).
+* [disposition: close] [adds Default impl for Instant](https://github.com/rust-lang/rust/pull/50800).
+
+## New RFCs
+
+* [if- and while-let-chains, take 2](https://github.com/rust-lang/rfcs/pull/2497).
+* [Pattern API](https://github.com/rust-lang/rfcs/pull/2500).
+* [Hygiene opt-out (escaping) for declarative macros 2.0](https://github.com/rust-lang/rfcs/pull/2498).
+
+# Upcoming Events
+
+### Online
+
+* [Jul 25. Rust Community Team Meeting in Discord](https://discordapp.com/channels/442252698964721669/443773747350994945).
+* [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).
+
+### Asia-Pacific
+
+* [Jul 23. Sydney, AU - Rust Sydney Meetup 14](https://www.meetup.com/Rust-Sydney/events/251749825/).
+
+### Europe
+
+* [Jul 20. Barcelona, ES - BcnRust 1st meetup with Ashley Williams & Steve Klabnik](https://www.meetup.com/BcnRust/events/251237895/).
+* [Jul 24. Rome, IT - Rust learning and hacking evening #10](https://www.meetup.com/Rust-Roma/events/252627092/).
+* [Jul 25. Wrocław, PL - Rust Wroclaw Meetup #3](https://www.meetup.com/Rust-Wroclaw/events/252190812/).
+* [Jul 25. Berlin, DE - OpenTechSchool - Rust Hack and Learn](https://www.meetup.com/opentechschool-berlin/events/xkdlvpyxkbhc/).
+* [Jul 25. Milan, IT - Rust Language Milano - Rust Exercises](https://www.meetup.com/rust-language-milano/events/252893336/).
+* [Aug  1. Cologne, DE - Rust Cologne](https://www.meetup.com/RustCologne/events/252432033).
+
+### North America
+
+* [Jul 22. Mountain View, US - Open Table / Icebreaker: what projects are you working on](https://www.meetup.com/Rust-Dev-in-Mountain-View/events/glnfcpyxkbdc/).
+* [Jun 23. Durham, US - Triangle Rustaceans - Project Night & Lightning Talks](https://www.meetup.com/triangle-rustaceans/events/mfglwpyxkbfc/).
+* [Jul 24. Denver, US - Rust Boulder/Denver - Rust Denver July Meetup](https://www.meetup.com/Rust-Boulder-Denver/events/252275279/).
+* [Jul 25. Chicago, US - Rust Meetup July 2018](https://www.meetup.com/Chicago-Rust-Meetup/events/251961097/).
+* [Jul 25. New York, NY US - Rust NYC Meetup](https://www.meetup.com/Rust-NYC/events/252181812/)
+* [Jul 25. Vancouver, CA - Rust Study/Hack/Hang-out night](https://www.meetup.com/Vancouver-Rust/events/dqldspyxkbhc/).
+* [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 17. Portland, US - RustConf 2018](http://rustconf.com/).**
+
+### South America
+
+* [Jul 21. São Paulo, BR - Rust at The Developers Conference - TDC2018](http://www.thedevelopersconference.com.br/tdc/2018/saopaulo/trilha-rust).
+* [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 Software Engineer at IOHK (Remote work available)](https://iohk.recruiterbox.com/jobs/fk0177c?source=linkedin).
+
+*Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
+
+# Quote of the Week
+
+> References are not pointers, but temporary locks on data
+
+– [Kornel](https://users.rust-lang.org/u/kornel) [on rust-users](https://users.rust-lang.org/t/cannot-move-out-of-borrowed-content-take-2/18700/7).
+
+Thanks to [Squirrel](https://users.rust-lang.org/u/gilescope) 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).*