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+Title: This Week in Rust 293
+Number: 293
+Date: 2019-07-02
+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 [winit](https://github.com/rust-windowing/winit), a pure-rust cross-platform window initialization library. Thanks to [Osspial](https://users.rust-lang.org/t/crate-of-the-week/2704/572) 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.
+
+* [Call for Proposals is open for Rust Belt Rust 2019 until 1 July](http://cfp.rust-belt-rust.com/).
+* [Winit 0.20, the state of windowing in Rust, and a request for help](https://users.rust-lang.org/t/winit-0-20-the-state-of-windowing-in-rust-and-a-request-for-help/29485).
+* [Request for implementation](https://github.com/dtolnay/request-for-implementation/) - Crates that don't exist but should. Suggest your own design and someone will pick it up.
+* [miniz_oxide: Some Panics cause segfaults in jemalloc when called from flate2](https://github.com/Frommi/miniz_oxide/issues/14).
+
+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%3A2019-06-17..2019-06-24
+
+* [Introduce `Let(..)` in AST, remove `IfLet` + `WhileLet` and parse let chains](https://github.com/rust-lang/rust/pull/60861)
+* [Support `cfg` and `cfg_attr` on generic parameters](https://github.com/rust-lang/rust/pull/61547)
+* [librustc_data_structures: Speedup union of sparse and dense hybrid set](https://github.com/rust-lang/rust/pull/61020)
+* [Refactor miri pointer checks](https://github.com/rust-lang/rust/pull/62081)
+* [Help LLVM better optimize `slice::Iter`(`Mut`)`::len`](https://github.com/rust-lang/rust/pull/61885)
+* [Remove the default type of `Rem::Output`](https://github.com/rust-lang/rust/pull/61874)
+* [Make use of `ptr::null`(`_mut`) instead of casting zero](https://github.com/rust-lang/rust/pull/61864)
+* [Make `MaybeUninit` `#[repr(transparent)]`](https://github.com/rust-lang/rust/pull/61802)
+* [Implement `nth_back` for `slice::`{`Iter`, `IterMut`}](https://github.com/rust-lang/rust/pull/60772)
+* [Add custom `nth_back` to `Skip`](https://github.com/rust-lang/rust/pull/60454)
+* [Add functions for building raw slices to libcore](https://github.com/rust-lang/rust/pull/60667)
+* [rustdoc: Only show methods that appear in `impl` blocks in the Implementors sections of trait doc pages](https://github.com/rust-lang/rust/pull/61505)
+* [rustdoc: Generate implementors for all auto traits](https://github.com/rust-lang/rust/pull/60293)
+
+## 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] [Finalize syntax for slice patterns with subslices](https://github.com/rust-lang/rfcs/pull/2359).
+* [disposition: merge] [Make `..` a pattern syntactically](https://github.com/rust-lang/rfcs/pull/2707).
+
+### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period)
+
+* [disposition: merge] [Stabilize `type_alias_enum_variants` in Rust 1.37.0](https://github.com/rust-lang/rust/pull/61682).
+
+## New RFCs
+
+* [RFC for Vec::append_from_within()](https://github.com/rust-lang/rfcs/pull/2714).
+
+# Upcoming Events
+
+### Africa
+
+* [Jul  3. Johannesburg, ZA - Johannesburg Rust Meetup - informal discussions on topics related to the language](https://www.meetup.com/Johannesburg-Rust-Meetup/events/dgqmbryzkbfb/).
+
+### Asia Pacific
+
+* [Jun 29. Taipei, TW - Rust Taiwan Meetup](https://www.facebook.com/events/2824830874225735/).
+* [Jul  1. Auckland, NZ - Rust AKL - WASM - Implementing a scalable omiscient debugger in Rust](https://www.meetup.com/rust-akl/events/259480968/).
+* [Jul  7. Tokyo, JP - Tokyo Rust Meetup - Rust LT #6](https://rust.connpass.com/event/133657/).
+* [Jul 10. Petaling Jaya, MY - Rust Meetup July 2019](https://docs.google.com/forms/d/e/1FAIpQLSeyDIRlKFE0h4gJ8cxL6tz_3G4p7k4okZZBNhGbuitlOqBJOg/viewform).
+
+### Europe
+
+* [Jun 28-29. Firenze, IT - RustLab 2019](https://www.rustlab.it/).
+* [Jul 10. Berlin, DE - OpenTechSchool Berlin - Rust Hack and Learn](https://www.meetup.com/opentechschool-berlin/events/gkkttqyzkbnb/).
+
+### North America
+
+* [Jul  3. Atlanta, GA, US - Grab a beer with fellow Rustaceans](https://www.meetup.com/Rust-ATL/events/kkzkxqyzkbfb/).
+* [Jul  3. Indianapolis, IN, US - Indy.rs](https://www.meetup.com/indyrs/events/mffbtpyzkbfb/).
+* [Jul  9. Redmond, WA, US - Seattle Rust Meetup - Monthly meetup](https://www.meetup.com/Seattle-Rust-Meetup/events/gfnncryzkbmb/).
+* [Jul 10. Vancouver, BC, CA - Vancouver Rust meetup](https://www.meetup.com/Vancouver-Rust/events/fzqqwqyzkbnb/).
+* [Jul 11. Columbus, OH, US - Columbus Rust Society - Monthly Meeting](https://www.meetup.com/columbus-rs/events/dbcfrpyzkbpb/).
+
+If you are running a Rust event please add it to the [calendar] to get
+it mentioned here. Please remember to add a link to the event too.
+Email the [Rust Community Team][community] for access.
+
+[calendar]: https://www.google.com/calendar/embed?src=apd9vmbc22egenmtu5l6c5jbfc%40group.calendar.google.com
+[community]: mailto:community-team@rust-lang.org
+
+# Rust Jobs
+
+* [Senior Software Engineer (Rust) at IOTA, Remote](https://iota.bamboohr.com/jobs/view.php?id=90).
+
+*Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
+
+# Quote of the Week
+
+> why doesn't 'static, the largest lifetime, not simply eat all the others
+
+– [@mountain_ghosts on twitter](https://twitter.com/mountain_ghosts/status/1133406976002674688?s=09)
+
+> @mountain_ghosts 'static is biggest but actually,, weakest of lifetimes, becuase it is subtype of every lifetime
+>
+> 'static is big soft friend
+>
+> pls love and protect it
+
+– [@gankro on twitter](https://twitter.com/Gankro/status/1133435497806815232?s=09)
+
+Thanks to [Christopher Durham](https://users.rust-lang.org/t/twir-quote-of-the-week/328/654) for the suggestion!
+
+[Please submit quotes and vote for next week!](https://users.rust-lang.org/t/twir-quote-of-the-week/328)
+
+*This Week in Rust is edited by: [nasa42](https://github.com/nasa42), [llogiq](https://github.com/llogiq), and [Flavsditz](https://github.com/Flavsditz).*
+
+<small>[Discuss on r/rust]().</small>