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‎drafts/2019-10-29-this-week-in-rust.md

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@@ -15,9 +15,22 @@ If you find any errors in this week's issue, [please submit a PR](https://github
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# Updates from Rust Community
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## News & Blog Posts
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* [Programming Servo: the incredibly shrinking timer](https://medium.com/programming-servo/programming-servo-the-incredibly-shrinking-timer-7283ae2a2669).
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[Adventures in Motion Control: Initial Motion System](http://adventures.michaelfbryan.com/posts/initial-motion-system/)
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* [A call for blogs 2020](https://blog.rust-lang.org/2019/10/29/A-call-for-blogs-2020.html).
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* [Why async fn in traits are hard](https://smallcultfollowing.com/babysteps/blog/2019/10/26/async-fn-in-traits-are-hard/).
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* [Spark implemented in Rust with promising results](https://medium.com/@rajasekar3eg/fastspark-a-new-fast-native-implementation-of-spark-from-scratch-368373a29a5c).
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* [Nannou awarded Mozilla grant for foundational audio development in Rust](https://nannou.cc/posts/moss_grant_announce).
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* [Rust and C++ on floating-point intensive code](https://www.reidatcheson.com/hpc/architecture/performance/rust/c++/2019/10/19/measure-cache.html).
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* [docs.rs outage postmortem](https://blog.rust-lang.org/inside-rust/2019/10/24/docsrs-outage-postmortem.html).
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* [Cost of rust-analyzer](https://rust-analyzer.github.io/2019/10/16/finance.html).
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* [Building a widget for Druid (a WIP native Rust GUI toolkit)](https://pauljmiller.com/posts/druid-widget-tutorial.html).
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* [Ferris Fencing - a Rust game built on a RISC-V VM](http://www.ferrisfencing.org/).
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* [Technique for doing specialization on a stable compiler safely](https://github.com/dtolnay/case-studies/blob/master/autoref-specialization/README.md).
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* [A closer look at Ownership in Rust](https://blog.thoughtram.io/ownership-in-rust/).
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* [Programming Servo: the incredibly shrinking timer](https://medium.com/programming-servo/programming-servo-the-incredibly-shrinking-timer-7283ae2a2669).
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* [Making good On momo's compile-time promise](https://llogiq.github.io/2019/10/28/momo-fast.html).
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* [Adventures in motion control: initial motion system](http://adventures.michaelfbryan.com/posts/initial-motion-system/).
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* [Please welcome pnkfelix as compiler team co-lead](https://blog.rust-lang.org/inside-rust/2019/10/24/pnkfelix-compiler-team-co-lead.html).
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# Crate of the Week
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Some of these tasks may also have mentors available, visit the task page for more information.
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* [Clippy: Passing mutable references](https://github.com/rust-lang/rust-clippy/issues/353).
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* [rust-bindgen: Add --symbol-prefix flag](https://github.com/rust-lang/rust-bindgen/issues/1375).
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* [good first issue] [Spirit: Write a tutorial for Spirit](https://github.com/vorner/spirit/issues/42). Spirit is a helper to make creating and configuring unix daemons easier.
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* [good first issue] [async-std: use once_cell instead of lazy_static](https://github.com/async-rs/async-std/issues/406).
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* [good first issue] [async-std: Add Future::flatten](https://github.com/async-rs/async-std/issues/404).
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* [good first issue] [async-std: Add stream::from_iter](https://github.com/async-rs/async-std/issues/400).
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* [good first issue] [async-std: TCP smoke testing](https://github.com/async-rs/async-std/issues/407).
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If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines].
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* [Relax `ExactSizeIterator` bound on `write_bytes`](https://github.com/rust-lang/rust/pull/65704)
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* [rustdoc: Forward `-Z` options to rustc](https://github.com/rust-lang/rust/pull/65314)
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* [Stabilize proc macros generating `macro_rules` items](https://github.com/rust-lang/rust/pull/64035)
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* [Return `false` from `needs_drop` for all zero-sized arrays](https://github.com/rust-lang/rust/pull/65389)
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* [Optimize `LexicalResolve::expansion`](https://github.com/rust-lang/rust/pull/65260)
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* [Remove custom `PartialEq` impls for `LocalInternedString`](https://github.com/rust-lang/rust/pull/65426)
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* [Optimize `BitIter`](https://github.com/rust-lang/rust/pull/65425)
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* [Optimize dropck](https://github.com/rust-lang/rust/pull/64595)
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* [More symbol cleanups](https://github.com/rust-lang/rust/pull/65545)
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* [Avoid unnecessary arena allocations in `expand_pattern()`](https://github.com/rust-lang/rust/pull/65463)
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* [Avoid unnecessary `TokenTree` to `TokenStream` conversions](https://github.com/rust-lang/rust/pull/65455)
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* [expand: Simplify expansion of derives](https://github.com/rust-lang/rust/pull/65252)
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* [Fix suggestion to constrain trait for method to be found](https://github.com/rust-lang/rust/pull/65242)
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* [syntax: add parser recovery for intersection- / and-patterns `p1 @ p2`](https://github.com/rust-lang/rust/pull/65410)
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* [Reducing spurious unused lifetime warnings](https://github.com/rust-lang/rust/pull/64603)
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* [Bring attention to suggestions when the only difference is capitalization](https://github.com/rust-lang/rust/pull/65398)
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* [Use structured suggestion for restricting bounds](https://github.com/rust-lang/rust/pull/65192)
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* [Fix zero-size uninitialized boxes](https://github.com/rust-lang/rust/pull/65174)
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* [Add check for overlapping ranges to unreachable patterns lint](https://github.com/rust-lang/rust/pull/64007)
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* [Use more fine grained locks for the dep graph](https://github.com/rust-lang/rust/pull/63756)
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* [Fix `canonicalize_const_var` leaking inference variables](https://github.com/rust-lang/rust/pull/65652)
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* [mir-opt: Improve SimplifyLocals pass so it can remove unused consts](https://github.com/rust-lang/rust/pull/65624)
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* [Improve error message for APIT with explicit generic arguments](https://github.com/rust-lang/rust/pull/65614)
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* [Remove unreachable unit tuple compare binop codegen](https://github.com/rust-lang/rust/pull/65605)
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* [Avoid ICE when `include!` is used by stdin crate](https://github.com/rust-lang/rust/pull/65603)
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* [Implement `AsRef<[T]>` for `List<T>`](https://github.com/rust-lang/rust/pull/65444)
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* [hashbrown: Remove most `#[inline]` annotations](https://github.com/rust-lang/hashbrown/pull/119)
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* [Always inline `mem::`{`size_of`, `align_of`} in debug builds](https://github.com/rust-lang/rust/pull/65016)
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* [Avoid realloc in `CString::new`](https://github.com/rust-lang/rust/pull/65551)
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* [`BTreeSet` symmetric_difference & union optimized](https://github.com/rust-lang/rust/pull/65226)
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* [cargo: Allow `--all-features` in root of virtual workspace](https://github.com/rust-lang/cargo/pull/7525)
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* [rustup install: add `--profile` flag to override profile](https://github.com/rust-lang/rustup.rs/pull/2075)
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## Approved RFCs
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Changes to Rust follow the Rust [RFC (request for comments)
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### [RFCs](https://github.com/rust-lang/rfcs/labels/final-comment-period)
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*No RFCs are currently in final comment period.*
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* [disposition: postpone] [Signing registry index commits](https://github.com/rust-lang/rfcs/pull/2474).
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### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period)
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* [disposition: merge] [Stabilize --extern flag without a path](https://github.com/rust-lang/rust/pull/64882).
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* [disposition: merge] [Stabilize cfg(doctest)](https://github.com/rust-lang/rust/pull/63803).
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* [disposition: merge] [Fix accidental stabilization in feature-detection macros](https://github.com/rust-lang/rust/pull/64534).
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* [disposition: merge] [Implement @argsfile to read arguments from command line](https://github.com/rust-lang/rust/issues/63576).
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* [disposition: merge] [Tracking issue for todo! macro](https://github.com/rust-lang/rust/issues/59277).
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* [disposition: merge] [Tracking issue for floats ↔ bytes conversions](https://github.com/rust-lang/rust/issues/60446).
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* [disposition: merge] [Stabilize RFC 2451, re-rebalance coherence](https://github.com/rust-lang/rust/issues/63599).
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* [disposition: merge] [[rustdoc] stabilize cfg(doctest)](https://github.com/rust-lang/rust/pull/63803).
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* [disposition: merge] [Stabilize nested self receivers in 1.40.0](https://github.com/rust-lang/rust/pull/64325).
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* [disposition: merge] [Stabilize `Option::flatten`](https://github.com/rust-lang/rust/pull/64747).
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* [disposition: merge] [Stabilize `const_constructor`](https://github.com/rust-lang/rust/pull/65188).
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* [disposition: merge] [Under what conditions can you implement Copy for a union](https://github.com/rust-lang/rust/issues/65748)?
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## New RFCs
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* [Standard lazy types](https://github.com/rust-lang/rfcs/pull/2788).
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* [Serve crates-io registry over HTTP as static files](https://github.com/rust-lang/rfcs/pull/2789).
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* [Propose implicit named arguments for formatting macros](https://github.com/rust-lang/rfcs/pull/2795).
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* [Announcing the FFI-unwinding Project Group](https://github.com/rust-lang/rfcs/pull/2797).
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* [Environment variable sandboxing](https://github.com/rust-lang/rfcs/pull/2794).
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* [Add `[T]::as_ptr_range()`](https://github.com/rust-lang/rfcs/pull/2791).
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* [Subslice-offset - Get the offset of references into a slice](https://github.com/rust-lang/rfcs/pull/2796).
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# Upcoming Events
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### Asia Pacific
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* [Oct 26. Tokyo, JP - Rust.Tokyo 2019](https://rust.tokyo/).
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* [Oct 26. Taipei, TW - Rust Taiwan Meetup](https://www.facebook.com/events/495062051340992/).
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* [Oct 29. Sydney, AU - Rust Sydney - Meetup 18](https://www.meetup.com/Rust-Sydney/events/265708002/).
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* [Nov 4. Auckland, NZ - Rust AKL - Introduction to Rust (part 2 of 3)](https://www.meetup.com/rust-akl/events/259481269/).
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* [Nov 13. TBD, MY - Rust Malaysia Meetup November 2019](https://docs.google.com/forms/d/e/1FAIpQLSfZM9XYmBXq9tjqRziR-O3vBmm4rt1Ltnc9bGcleVrLmZHrSg/viewform).
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### Europe
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* [Oct 28. Zurich, CH - Rust Zurich - October Meetup: Claudia Saxer – 66 hours of Rust](https://www.meetup.com/Rust-Zurich/events/265507413/).
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* [Oct 28. Gouda, NL - Rust Nederland - Rust - Talks & Demos](https://www.meetup.com/Rust-Nederland/events/265656966).
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* [Oct 28. London, GB - Rust London User Group - LDN Talks October 2019](https://www.meetup.com/Rust-London-User-Group/events/265590044/).
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* [Oct 30. Berlin, DE - OpenTechSchool Berlin - Rust Hack and Learn](https://www.meetup.com/opentechschool-berlin/events/nxdpgryznbnc/).
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* [Oct 30. Copenhagen, DK - Copenhagen Rust Hack Night #19](https://cph.rs/).
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* [Nov 2. Lviv, UA - Peer Lab Lviv #Rust: Introduction](https://t.me/peerlab_lviv_rust/135).
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* [Nov 2. Kharkiv, UA - Peer Lab Kharkiv #Rust: Command-Line Applications in Rust](https://www.facebook.com/events/689432161466405/).
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* **[Nov 9 & 10. Barcelona, ES - RustFest Barcelona 2019](https://barcelona.rustfest.eu/).**
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* [Nov 12. Hamburg, DE - Rust Hack & Learn November 2019](https://www.meetup.com/Rust-Meetup-Hamburg/events/265899865/).
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* [Nov 13. Wrocław, PL - Rust Wrocław Meetup #14](https://www.meetup.com/Rust-Wroclaw/events/265813648/).
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* [Nov 13. Berlin, DE - OpenTechSchool Berlin - Rust Hack and Learn](https://www.meetup.com/opentechschool-berlin/events/nxdpgryzpbrb/).
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* [Nov 14. Zurich, CH - Rust Zurich - RustFest Decompression Zürich](https://www.meetup.com/Rust-Zurich/events/265593126/).
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* [Nov 15. Barcelona, ES - Rust GTK/GStreamer Workshop at Linux Application Summit 2019](https://www.meetup.com/Barcelona-Free-Software/events/265596417/).
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### North America
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* [Oct 28. Durham, NC, US - Triangle Rustaceans - Project Night & Lightning Talks](https://www.meetup.com/triangle-rustaceans/events/mfglwpyznblc/).
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* [Oct 29. Dallas, TX, US - Dallas Rust - Last Tuesday](https://www.meetup.com/Dallas-Rust/events/zfgwzmyznbmc/).
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* [Oct 29. Chicago, IL, US - Chicago Rust Meetup - Entity Component Systems: An Intro To The Specs Crate Using Roguelikes](https://www.meetup.com/Chicago-Rust-Meetup/events/265283294).
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* [Oct 30. San Francisco, CA, US - Rust in Blockchain Workshop Day (SFBW)](https://www.meetup.com/Rust-in-Blockchain-San-Francisco/events/265362152/)
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* [Oct 30. Santa Clara, CA, US - Rust Bay Area - [@ Intel Santa Clara] Security with Rust & SGX + Life of an Async fn](https://www.meetup.com/Rust-Bay-Area/events/265478102).
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* [Oct 30. Vancouver, BC, CA - Vancouver Rust meetup](https://www.meetup.com/Vancouver-Rust/events/rwcpfryznbnc/).
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* [Nov 6. Indianapolis, IN, US - Indy.rs](https://www.meetup.com/indyrs/events/mffbtpyzpbjb/).
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* [Nov 13. Atlanta, GA, US - Grab a beer with fellow Rustaceans](https://www.meetup.com/Rust-ATL/events/qxqdgryzpbrb/).
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* [Nov 12. Seattle, WA, US - Seattle Rust Meetup - Monthly meetup](https://www.meetup.com/Seattle-Rust-Meetup/events/prbtdryzpbqb/).
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* [Nov 13. Vancouver, BC, CA - Vancouver Rust meetup](https://www.meetup.com/Vancouver-Rust/events/rwcpfryzpbrb/).
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* [Nov 14. San Diego, CA, US - San Diego Rust November Meetup](https://www.meetup.com/San-Diego-Rust/events/265981542/).
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* [Nov 14. Lehi, UT, US - Utah Rust - November 2019 Regular Meetup](https://www.meetup.com/utah-rust/events/265905259/).
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* [Nov 14. Columbus, OH, US - Columbus Rust Society - Monthly Meeting](https://www.meetup.com/columbus-rs/events/dpkhgryzpbsb/).
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If you are running a Rust event please add it to the [calendar] to get
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it mentioned here. Please remember to add a link to the event too.
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# Rust Jobs
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* [Embedded Software Engineer at Sense, Cambridge, MA (Rust/Python/C)](https://apply.workable.com/sense/j/ADDB5A7717/).
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* [Rust Engineer at Provable, London, GB (Remote available)](https://www.reddit.com/r/rust/comments/d9l79d/official_rrust_whos_hiring_thread_for_jobseekers/f4r63ms/).
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* [Rust Senior Developer at Token, Palo Alto, CA, US](https://drive.google.com/file/d/1Rnc8HQLfiy4mvzZP--1ww1vTAX5FCagD/view).
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* [Software Manager at Georg Fischer Signet, El Monte, CA, US](https://www.indeed.com/m/viewjob?jk=e82dad5c02d490a2).
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* [Associate Software Engineer at Georg Fischer Signet, El Monte, CA, US](https://www.indeed.com/m/viewjob?jk=6d5ae77b64b16f72).
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* [Rust/Core Developer at Parity, Berlin, DE (Remote available)](https://www.parity.io/jobs/#berlin-rust-core-developer).
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* [Rust Intern at RUDDER, Paris, FR](https://taleez.com/apply/74t9em)
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* [Embedded Software Engineer at Sense, Cambridge, MA, US](https://apply.workable.com/sense/j/ADDB5A7717/).
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* [Rust Intern at RUDDER, Paris, FR](https://taleez.com/apply/74t9em).
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*Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
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