draft for 241

Author: nasa42

drafts/2018-07-03-this-week-in-rust.md

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+Title: This Week in Rust 241
+Number: 241
+Date: 2018-07-03
+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 [mutagen](https://github.com/llogiq/mutagen), a mutation testing framework for Rust. Thanks to llogiq for the 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.
+
+* [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
+
+95 pull requests were [merged in the last week][merged]
+
+[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2018-06-18..2018-06-25
+
+* [async/await](https://github.com/rust-lang/rust/pull/51580)
+* [rename OOM to allocation error](https://github.com/rust-lang/rust/pull/51543)
+* [prohibit `global_allocator` in submodules](https://github.com/rust-lang/rust/pull/51335)
+* [run some stuff in parallel](https://github.com/rust-lang/rust/pull/51383)
+* [reduce number of allocations done by NLL](https://github.com/rust-lang/rust/pull/51617)
+* [NLL: walk the MIR only once for the "unused mut" lint](https://github.com/rust-lang/rust/pull/51660)
+* [NLL diagnostics: revise `fn check_access_permissions`](https://github.com/rust-lang/rust/pull/51275)
+* [improve memoization and refactor NLL type check](https://github.com/rust-lang/rust/pull/51460)
+* [add existential type definitions](https://github.com/rust-lang/rust/pull/51414)
+* [make more `libsyntax` methods public](https://github.com/rust-lang/rust/pull/51664)
+* [add ability to apply custom derive to union types](https://github.com/rust-lang/rust/pull/50383)
+* [The Great Generics Generalisation: HIR Edition](https://github.com/rust-lang/rust/pull/48149)
+* [fix processing mod with multi-level path on Windows](https://github.com/rust-lang/rust/pull/51278)
+* [disable probestack when GCOV profiling is being used](https://github.com/rust-lang/rust/pull/51666)
+* [support future deprecation for rustc_deprecated](https://github.com/rust-lang/rust/pull/51681)
+* [fix an ICE when matching over const slices](https://github.com/rust-lang/rust/pull/51733)
+* [yet another "old borrowck" bug around match default bindings](https://github.com/rust-lang/rust/pull/51686)
+* [fix erroneous error note when using field after move](https://github.com/rust-lang/rust/pull/51688)
+* [three diagnostics upgrades](https://github.com/rust-lang/rust/pull/51750)
+* [various changes to existing diagnostics](https://github.com/rust-lang/rust/pull/51463)
+* [don't suggest incorrect syntax](https://github.com/rust-lang/rust/pull/51670)
+* [use fstatat64 where available](https://github.com/rust-lang/rust/pull/51785)
+* [specialize `StepBy<Range(Inclusive)>`](https://github.com/rust-lang/rust/pull/51601)
+* [`impl Hash for !`](https://github.com/rust-lang/rust/pull/51404)
+* [stabilize std::path::Path::ancestors](https://github.com/rust-lang/rust/pull/50894)
+* [replace tempdir by tempfile](https://github.com/rust-lang/rust/pull/50698)
+* [rustdoc: greatly improve tables display](https://github.com/rust-lang/rust/pull/51482)
+* [rustbuild: use quiet tests by default](https://github.com/rust-lang/rust/pull/51367)
+* [ship LLVM tools with the toolchain](https://github.com/rust-lang/rust/pull/50336)
+
+## 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] [Allow panicking in constants](https://github.com/rust-lang/rfcs/pull/2345).
+* [disposition: merge] [Allow `loop` in constant evaluation](https://github.com/rust-lang/rfcs/pull/2344).
+* [disposition: merge] [Introduce `#[do_not_recommend]` to control errors for trait impls](https://github.com/rust-lang/rfcs/pull/2397).
+* [disposition: merge] [Tuple struct construction with `Self(v1, v2, ..)`](https://github.com/rust-lang/rfcs/pull/2302).
+* [disposition: merge] [Update RFC 0430 to allow underscores between numbers in CamelCase names](https://github.com/rust-lang/rfcs/pull/2478).
+* [disposition: merge] [Add `Option::replace` to the core library](https://github.com/rust-lang/rfcs/pull/2296).
+* [disposition: close] [Reserve `delegate` as a keyword in edition 2018](https://github.com/rust-lang/rfcs/pull/2429).
+* [disposition: close] [Reserve `f(a = b)` in Rust 2018](https://github.com/rust-lang/rfcs/pull/2443).
+
+### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period)
+
+* [disposition: merge] [Tracking issue for "macro naming and modularisation" (RFC #1561)](https://github.com/rust-lang/rust/issues/35896).
+* [disposition: merge] [Tracking issue for `ToOwned::clone_into` (`toowned_clone_into`)](https://github.com/rust-lang/rust/issues/41263).
+* [disposition: merge] [`extern type` cannot support `size_of_val` and `align_of_val`](https://github.com/rust-lang/rust/issues/49708).
+* [disposition: merge] [Tracking issue for the to_bytes and from_bytes methods of integers](https://github.com/rust-lang/rust/issues/49792).
+* [disposition: merge] [Implement `iter::{Sum<U>, Product<U>}` for `Option<T>`](https://github.com/rust-lang/rust/pull/50884).
+* [disposition: merge] [Implement `PartialEq` between `&str` and `OsString`](https://github.com/rust-lang/rust/pull/51178).
+* [disposition: merge] [Remove quote_*! macros](https://github.com/rust-lang/rust/pull/51285).
+* [disposition: close] [Can't overload indexing for arrays](https://github.com/rust-lang/rust/issues/49786).
+
+## New RFCs
+
+* [Add new channels for long term support (LTS) releases](https://github.com/rust-lang/rfcs/pull/2483).
+* [Stabilize the alloc crate](https://github.com/rust-lang/rfcs/pull/2480).
+* [Conversions: `FromLossy` and `TryFromLossy` traits](https://github.com/rust-lang/rfcs/pull/2484).
+
+# Upcoming Events
+
+### Online
+
+* [Jul  3. Rust Community Content Subteam Meeting at #rust-content on irc.mozilla.org](irc://irc.mozilla.org/rust-content).
+* [Jul  4. Rust Community Team Meeting at #rust-community on irc.mozilla.org](irc://irc.mozilla.org/rust-community).
+* [Jul  4. Rust Events Team Meeting](https://t.me/joinchat/EkKINhHCgZ9llzvPidOssA).
+* [Jul 11. Rust Community Team Meeting at #rust-community on irc.mozilla.org](irc://irc.mozilla.org/rust-community).
+
+### Africa
+
+* [Jul  3. Johannesburg, ZA - Monthly Meetup of the Johannesburg Rustaceans](https://www.meetup.com/Johannesburg-Rust-Meetup/events/cpblrnyxkbfb/).
+
+### Europe
+
+* [Jul  4. Dresden, DE - Mozilla Community Dresden - Rust Meetup](https://www.meetup.com/Mozilla-Community-Dresden/events/252020329/).
+* [Jul  6. Darmstadt, DE - Rhein-Main Rust Meetup](https://www.meetup.com/Rust-Rhein-Main/events/251928672).
+* [Jul 11. Zurich, CH - Actix.rs - July Meetup](https://www.meetup.com/Rust-Zurich/events/250386292/).
+* [Jul 11. Berlin, DE - OpenTechSchool - Rust Hack and Learn](https://www.meetup.com/opentechschool-berlin/events/xkdlvpyxkbpb/).
+
+### North America
+
+* [Jul  1. Mountain View, US - Open Table / Icebreaker: what projects are you working on](https://www.meetup.com/Rust-Dev-in-Mountain-View/events/glnfcpyxkbcb/).
+* [Jul  4. Atlanta, US - Grab a beer with fellow Rustaceans](https://www.meetup.com/Rust-ATL/events/rhvgrmyxkbgb/).
+* [Jul  4. Indianapolis, US - Indy.rs](https://www.meetup.com/indyrs/events/mffbtpyxkbgb/).
+* [Jul  8. Mountain View, US - Open Table / Icebreaker: what projects are you working on](https://www.meetup.com/Rust-Dev-in-Mountain-View/events/glnfcpyxkblb/).
+* [Jul  9. Seattle, US - Monthly Rust Meetup](https://www.meetup.com/Seattle-Rust-Meetup/events/pkggvpyxkbmb/).
+* [Jul 11. Vancouver, CA - Rust Study/Hack/Hang-out night](https://www.meetup.com/Vancouver-Rust/events/dqldspyxjbkc/).
+* [Jul 12. Columbus, US - Columbus Rust Society - Monthly Meeting](https://www.meetup.com/columbus-rs/events/dbcfrpyxkbqb/).
+* **[Aug 17. Portland, US - RustConf 2018](http://rustconf.com/).** Registration is now open.
+
+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
+
+* [Senior Software Developer at Nymi, Toronto, CA](https://nymi.com/careers/sr-software).
+* [Senior Rust Engineer at Ticketmaster, Arizona, US](https://www.reddit.com/r/rust/comments/8s0tk1/9095_remote_senior_rust_engineer_ticketmaster/).
+
+*Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
+
+# Quote of the Week
+
+> I’m hesitating in cc’ing [the crate author] because I’d rather this be an educational conversation, and not a unsafety witchhunt.
+
+– vitalyd on [rust-users](https://users.rust-lang.org/t/how-not-to-use-unsafe-code/18170/13)
+
+[Please submit your quotes for next week][submit]!
+
+[submit]: 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).*