Merge branch 'master' into master

Author: nellshamrell

draft/2022-02-02-this-week-in-rust.md

@@ -18,21 +18,46 @@ If you find any errors in this week's issue, [please submit a PR](https://github
 
 ### Project/Tooling Updates
 
+* [rustc_codegen_gcc: Progress Report #8](https://blog.antoyo.xyz/rustc_codegen_gcc-progress-report-8)
+* [An update on rust/coreutils](https://sylvestre.ledru.info/blog/2022/01/29/an-update-on-rust-coreutils)
+* [This week in Fluvio #20: the programmable streaming platform](https://www.fluvio.io/news/this-week-in-fluvio-0020/)
+* [SixtyFPS (GUI crate): Changelog for 30th of January 2022](https://sixtyfps.io/thisweek/2022-01-31.html)
+* [Fornjot 0.5.0 - Code-CAD in Rust](https://www.fornjot.app/blog/fornjot-0-5-0/)
+
 ### Newsletters
+* [This Week in Glean: Building and Deploying a Rust library on iOS](https://blog.mozilla.org/data/2022/01/31/this-week-in-glean-building-and-deploying-a-rust-library-on-ios/)
 
 ### Research
 
 ### Observations/Thoughts
+* [Uninitialized Memory: Unsafe Rust is Too Hard](https://lucumr.pocoo.org/2022/1/30/unsafe-rust/)
+* [Part 2: Improving crypto code in Rust using LLVM’s optnone](https://blog.trailofbits.com/2022/02/01/part-2-rusty-crypto/)
+* [Writing the fastest GBDT library in Rust](https://www.tangram.dev/blog/writing_the_fastest_gbdt_library_in_rust/)
+* [Async Rust vs RTOS showdown!](https://tweedegolf.nl/en/blog/65/async-rust-vs-rtos-showdown)
 
 ### Rust Walkthroughs
 
+* [(Basic) Segment Trees with beautiful diagrams!](https://desmondwillowbrook.github.io/blog/competitive-programming/dsa-explanations/basic-segment-tree/)
+* [series] [video] [Writing a Programming Language (in Rust) 13: Object Destructuring (Part 2) and Fixing Recursion](https://www.youtube.com/watch?v=BMGlSTQEC9M)
+* [series] [video] [Writing a Programming Language (in Rust) 14: Compiler Resources and Function Argument Destructuring](https://www.youtube.com/watch?v=hKOKfa30nAI)
+
 ### Miscellaneous
+* [Implementation of CIDR routing table in Rust](https://rtoch.com/posts/rust-cidr-routing/)
+
+- [How Prime Video updates its app for more than 8,000 device types](https://www.amazon.science/blog/how-prime-video-updates-its-app-for-more-than-8-000-device-types)
+
+* [Building and Deploying a Rust library on iOS](https://fnordig.de/2022/01/31/rust-libraries-on-ios/)
+
+* [My new deployment workflow using AWS SDK for Rust](https://mdguerrero.com/blog)
 
 ## Crate of the Week
 
-This week's crate is [html5gum](https://github.com/untitaker/html5gum), a WHATWG HTML spec-compliant HTML5 tokenizer.
+This week we have two crates: [update-informer](https://github.com/mgrachev/update-informer), a
+library to embed an update check into your CLI project and
+[blake3](https://crates.io/crates/blake3), a fast cryptographic hash function.
 
-Thanks to [Markus Unterwaditzer](https://users.rust-lang.org/t/crate-of-the-week/2704/1012) for the self-suggestion!
+Thanks to [Grachev Mikhail](https://users.rust-lang.org/t/crate-of-the-week/2704/1014) and 
+[Zac Burns](https://users.rust-lang.org/t/crate-of-the-week/2704/1014) for the suggestions!
 
 [Please submit your suggestions and votes for next week][submit_crate]!
 
@@ -51,50 +76,42 @@ If you are a Rust project owner and are looking for contributors, please submit
 
 ## Updates from the Rust Project
 
-381 pull requests were [merged in the last week][merged]
-
-[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2022-01-17..2022-01-24
-
-* [LLVM on AArch64/GlobalISel: fix incorrect handling of fp truncating stores](https://github.com/rust-lang/llvm-project/pull/127)
-* [show a more informative panic message when `DefPathHash` does not exist](https://github.com/rust-lang/rust/pull/93098)
-* [only suggest adding `!` to expressions that can be macro invocation](https://github.com/rust-lang/rust/pull/93061)
-* [point at correct argument when async fn output type lifetime disagrees with signature](https://github.com/rust-lang/rust/pull/92183)
-* [change lint message to be stronger for `&T` → `&mut T` transmute](https://github.com/rust-lang/rust/pull/92704)
-* [improve string concatenation suggestion](https://github.com/rust-lang/rust/pull/92843)
-* [formally implement let chains](https://github.com/rust-lang/rust/pull/88642)
-* [implement `#[rustc_must_implement_one_of]` attribute](https://github.com/rust-lang/rust/pull/92164)
-* [allow eq constraints on associated constants](https://github.com/rust-lang/rust/pull/87648)
-* [check `const Drop` impls considering `~const` Bounds](https://github.com/rust-lang/rust/pull/93028)
-* [add `~const` bound test for negative impls](https://github.com/rust-lang/rust/pull/92997)
-* [fix ICEs related to `Deref<Target=[T; N]>` on newtypes](https://github.com/rust-lang/rust/pull/92640)
-* [disable drop range tracking in generators](https://github.com/rust-lang/rust/pull/93165)
-* [directly use ConstValue for single literals in blocks](https://github.com/rust-lang/rust/pull/92780)
-* [add preliminary support for inline assembly for msp430](https://github.com/rust-lang/rust/pull/93219)
-* [let qpath contain NtTy: `<$:ty as $:ty>::…`](https://github.com/rust-lang/rust/pull/91150)
-* [make `Decodable` and `Decoder` infallible](https://github.com/rust-lang/rust/pull/93066)
-* [remove a `Span` from `hir::ExprKind::MethodCall`](https://github.com/rust-lang/rust/pull/92787)
-* [emit simpler code from `format_args`](https://github.com/rust-lang/rust/pull/91359)
-* [fix CVE-2022-21658 (symbolic link timing attack in `std::fs::remove_dir_all`)](https://github.com/rust-lang/rust/pull/93112)
-* [implement RFC 3151: Scoped threads](https://github.com/rust-lang/rust/pull/92555)
-* [improve capacity estimation in `Vec::from_iter`](https://github.com/rust-lang/rust/pull/92138)
-* [little improves in `CString::new` when creating from slice](https://github.com/rust-lang/rust/pull/92124)
-* [add `MaybeUninit::`(`slice_`)`as_bytes`(`_mut`)](https://github.com/rust-lang/rust/pull/89747)
-* [add `Option::is_some_with` and `Result::is_`{`ok`, `err`}`_with`](https://github.com/rust-lang/rust/pull/93051)
-* [add `log2` and `log10` to `NonZeroU*`](https://github.com/rust-lang/rust/pull/92956)
-* [std: implement `try_reserve` and `try_reserve_exact` on `PathBuf`](https://github.com/rust-lang/rust/pull/92513)
-* [`impl Not for !`](https://github.com/rust-lang/rust/pull/91122) (did you guess that "not never" is still "never"?)
-* [stabilize `arc_new_cyclic`](https://github.com/rust-lang/rust/pull/90666)
-* [stabilize `vec_spare_capacity`](https://github.com/rust-lang/rust/pull/93016)
-* [stabilize `-Z print-link-args` as `--print link-args`](https://github.com/rust-lang/rust/pull/91606)
-* [cargo: error when setting crate type of both dylib and cdylib in library](https://github.com/rust-lang/cargo/pull/10243)
-* [clippy: add `msrv` config for `map_clone`](https://github.com/rust-lang/rust-clippy/pull/8280)
-* [clippy: check usages in `ptr_arg`](https://github.com/rust-lang/rust-clippy/pull/8271)
-* [clippy: don't suggest an empty variant name in `enum_variant_names`](https://github.com/rust-lang/rust-clippy/pull/8329)
-* [clippy: fix `needless_borrow` causing mutable borrows to be moved](https://github.com/rust-lang/rust-clippy/pull/8217)
-* [clippy: `needless_lifetimes`: ignore lifetimes in explicit self types](https://github.com/rust-lang/rust-clippy/pull/8278)
-* [clippy: `trait_duplication_in_bounds` checks path segments for trait items](https://github.com/rust-lang/rust-clippy/pull/8315)
-* [clippy: fix `needless_question_mark` not considering async fn](https://github.com/rust-lang/rust-clippy/pull/8311)
-* [clippy: fix `op_ref` false positive](https://github.com/rust-lang/rust-clippy/pull/8298)
+327 pull requests were [merged in the last week][merged]
+
+[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2022-01-24..2022-01-31
+
+* [LLVM: cherry-pick different fix for AArch64 truncating FP stores](https://github.com/rust-lang/llvm-project/pull/128)
+* [allow eliding GATs in expression position](https://github.com/rust-lang/rust/pull/92918)
+* [fix debuginfo for pointers/references to unsized types](https://github.com/rust-lang/rust/pull/93006)
+* [add note suggesting that predicate may be satisfied, but is not `const`](https://github.com/rust-lang/rust/pull/93358)
+* [ignore unwinding edges when checking for unconditional recursion](https://github.com/rust-lang/rust/pull/92889)
+* [don't suggest inaccessible fields](https://github.com/rust-lang/rust/pull/93039)
+* [implement stable overlap check considering negative traits](https://github.com/rust-lang/rust/pull/93175)
+* [improve selection errors for `~const` trait bounds](https://github.com/rust-lang/rust/pull/92256)
+* [improve suggestion for escaping reserved keywords](https://github.com/rust-lang/rust/pull/93395)
+* [suggest tuple-parentheses for enum variants](https://github.com/rust-lang/rust/pull/90677)
+* [fix the unsoundness in the `early_otherwise_branch` mir opt pass](https://github.com/rust-lang/rust/pull/91840)
+* [store `def_id_to_hir_id` as variant in hir_owner](https://github.com/rust-lang/rust/pull/93373)
+* [store `hir_id_to_def_id` in OwnerInfo](https://github.com/rust-lang/rust/pull/93301)
+* [use `indexmap` to avoid sorting `LocalDefId`s](https://github.com/rust-lang/rust/pull/90842)
+* [codegen\_gcc: correctly import foreign statics](https://github.com/rust-lang/rustc_codegen_gcc/pull/115)
+* [codegen\_gcc: support `-Zfunction-sections`](https://github.com/rust-lang/rustc_codegen_gcc/pull/118)
+* [codegen\_gcc: support 128-bit integers on platforms without native support](https://github.com/rust-lang/rustc_codegen_gcc/pull/103)
+* [codegen\_gcc: support upgrading the alignment of a global variable](https://github.com/rust-lang/rustc_codegen_gcc/pull/121)
+* [accommodate yield points in the `format_args` expansion](https://github.com/rust-lang/rust/pull/93461)
+* [add `Simd::cast`](https://github.com/rust-lang/portable-simd/pull/232)
+* [add `intrinsics::const_deallocate`](https://github.com/rust-lang/rust/pull/92274)
+* [add `os::unix::net::SocketAddr::from_path`](https://github.com/rust-lang/rust/pull/93239)
+* [make `NonNull::new` `const`](https://github.com/rust-lang/rust/pull/93236)
+* [make `char::DecodeUtf16::size_hist` more precise](https://github.com/rust-lang/rust/pull/93347)
+* [improve `Duration::try_from_secs_f32`/`64` accuracy by directly processing exponent and mantissa](https://github.com/rust-lang/rust/pull/90247)
+* [cargo: add bash completion for `cargo clippy`](https://github.com/rust-lang/cargo/pull/10347)
+* [cargo: do not ignore `--features` when `--all-features` is present](https://github.com/rust-lang/cargo/pull/10337)
+* [clippy: add `default_union_representation` lint](https://github.com/rust-lang/rust-clippy/pull/8289)
+* [clippy: don't lint `ptr_arg` for `&mut _` types in trait items](https://github.com/rust-lang/rust-clippy/pull/8369)
+* [clippy: fix underflow in `manual_split_once` lint](https://github.com/rust-lang/rust-clippy/pull/8250)
+* [clippy: fix bad suggestion on `numeric_literal`](https://github.com/rust-lang/rust-clippy/pull/8350)
+* [clippy: `single_match`: don't lint non-exhaustive matches; support tuples](https://github.com/rust-lang/rust-clippy/pull/8322)
 
 ### Rust Compiler Performance Triage
 
@@ -114,7 +131,7 @@ Revision range: [7bc7be..c54dfe](https://perf.rust-lang.org/?start=7bc7be860f99f
 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:
 
-* [Scoped threads in the standard library, take 2](https://github.com/rust-lang/rfcs/pull/3151)
+* *No RFCs were approved this week.*
 
 ### Final Comment Period
 
@@ -124,45 +141,43 @@ decision. Express your opinions now.
 
 #### [RFCs](https://github.com/rust-lang/rfcs/labels/final-comment-period)
 
-* *No RFCs entered FCP this week.*
+* *No RFCs entered final comment period this week.*
 
 #### [Tracking Issues & PRs](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc)
 
-* [disposition: merge] [unreachable!("{}") works on Rust 2021](https://github.com/rust-lang/rust/issues/92137)
-* [disposition: merge] [Tracking Issue for Stdin::lines forwarder method](https://github.com/rust-lang/rust/issues/87096)
-* [disposition: merge] [impl Display for io::ErrorKind](https://github.com/rust-lang/rust/pull/93090)
-* [disposition: merge] [Tracking Issue for feature(pin_static_ref): Pin::{static_ref,static_mut}](https://github.com/rust-lang/rust/issues/78186)
-* [disposition: merge] [Tracking issue for #[cfg(target_has_atomic = ...)]](https://github.com/rust-lang/rust/issues/32976)
-* [disposition: merge] [Stabilize -Z instrument-coverage as -C instrument-coverage](https://github.com/rust-lang/rust/pull/90132)
+* [disposition: merge] [Rename `FilenameTooLong` to `FilenameInvalid` and also use it for Windows' `ERROR_INVALID_NAME`](https://github.com/rust-lang/rust/pull/90955)
+* [disposition: merge] [Add `From<u8>` for `ExitCode`](https://github.com/rust-lang/rust/pull/93445)
+* [disposition: merge] [Stabilise std::is_aarch64_feature_detected](https://github.com/rust-lang/rust/issues/86941)
+* [disposition: merge] [Impl {Add,Sub,Mul,Div,Rem,BitXor,BitOr,BitAnd}Assign<$t> for Wrapping<$t> for rust 1.61.0](https://github.com/rust-lang/rust/pull/93208)
+* [disposition: merge] [Tracking Issue for `int_abs_diff`](https://github.com/rust-lang/rust/issues/89492)
+* [disposition: merge] [Tracking Issue for total_cmp (on f32/f64)](https://github.com/rust-lang/rust/issues/72599)
+* [disposition: close] [Stabilize allow_fail test flag](https://github.com/rust-lang/rust/issues/46488)
 
 ### [New and Updated RFCs](https://github.com/rust-lang/rfcs/pulls)
 
-* [new] [Add `ignore_if` RFC](https://github.com/rust-lang/rfcs/pull/3221)
-* [update] [Add vendor-specific suffixes to v0 mangling RFC 2603](https://github.com/rust-lang/rfcs/pull/3224)
-* [update] [Mark RFC 1201 (naked functions) superseded by RFC 2972 (constrained naked functions)](https://github.com/rust-lang/rfcs/pull/3223)
+* [new] [RFC: Custom logo/favicon command-line flags](https://github.com/rust-lang/rfcs/pull/3226)
 
 ## Upcoming Events
 
-Rusty Events between 1/26/2022 - 2/23/2022 🦀
+Rusty Events between 2/2/2022 - 3/2/2022 🦀
 
 ### Online
 
-* [January 26, 2021 | Vienna, AT | **The Rustic Mob** | Mob-Programming on Open Source Software](https://www.meetup.com/Mob-Programming-on-Open-Source-Software/events/283408208)
-* [January 27, 2022 | Charlottesville, VA, US | **Minimal Area Bananagrams: a Tale of Needless Optimization** | Charlottesville Rust Meetup](https://www.meetup.com/Charlottesville-Rust-Meetup/events/283355090/)
-* [January 27, 2021 | Linz, AT | **Rust Meetup Linz - 18th Edition** | Rust Linz](https://www.meetup.com/Rust-Linz/events/283116945/)
-* [January 27, 2022 | Nürnberg, DE | **Rust Nürnberg online #9**| Rust Nuremberg](https://www.meetup.com/rust-noris/events/283118050/)
-* [January 27, 2022 | Stuttgart, DE | **Rust-Meetup** | Rust Community Stuttgart](https://www.meetup.com/Rust-Community-Stuttgart/events/282545254)
-* [January 29, 2021 | London, UK | **Rust (Remote) Hack & Learn** | Rust London User Group](https://www.meetup.com/Rust-London-User-Group/events/283335221/)
-* [February 1, 2021 | Berlin, DE | **Rust Hack and Learn** | OpenTechSchool Berlin](https://www.meetup.com/de-DE/opentechschool-berlin/events/283338268/)
-* [February 1, 2022 | Buffalo, NY, US | **First Tuesdays: Buffalo Rust User Group** | Buffalo Rust Meetup](https://www.meetup.com/Buffalo-Rust-Meetup/events/283011769)
-* [February 1, 2022 | Los Gatos, CA, US | **Book #24 - Rust for Rustaceans - Chapter 4 - Error Handling** | Los Gatos Reading Group](https://www.meetup.com/Los-Gatos-Rust-Reading-Group/events/283494504/)
 * [February 3, 2022 | Cardiff, UK | **Rust Book Study Session - Smart Pointers** | Rust and C++ Cardiff](https://www.meetup.com/rust-and-c-plus-plus-in-cardiff/events/283480500/)
+* [February 5 & 6, 2022 | Kyiv, UA | **Write a Game on Rust** | Rust Ukraine](https://dou.ua/calendar/42115/)
+* [February 8, 2022 | Saarbrücken, DE | **Meetup: 17u16** | Rust-Saar](https://www.meetup.com/Rust-Saar/events/283617274)
 * [February 8, 2022 | Seattle, WA, US | **Monthly meetup** | Seattle Rust Meetup](https://www.meetup.com/Seattle-Rust-Meetup/events/283213217/)
 * [February 9, 2022 | Los Angeles, CA, US | **Raphael Tessmer & Celeste, finding craters on a rusty planet** (Virtual) | Rust Los Angeles](https://www.meetup.com/Rust-Los-Angeles/events/283232930/)
 * [February 9, 2022 | Stuttgart, DE | **Rust-Meetup** | Rust Community Stuttgart](https://www.meetup.com/Rust-Community-Stuttgart/events/282545292)
+* [February 15, 2022 | Indianapolis, IN, US | **Indy.rs - with Social Distancing** | Indy Rust](https://www.meetup.com/indyrs/events/283538948)
 * [February 15, 2022 | Washington, DC, US| **Mid-month Rustful** | Rust DC](https://www.meetup.com/RustDC/events/283351974/)
 * [February 16, 2022 | Vancouver, BC, CA | **Rust Study/Hack/Hang-out Night** | Vancouver Rust](https://www.meetup.com/Vancouver-Rust/events/283260386/)
 * [February 17, 2022 | München, DE | **Rust - beyond "Hello World"**| Agile Softwareentwicklung München](https://www.meetup.com/maibornwolff-software-engineering-netzwerk/events/283379985)
+* [February 17, 2022 | Nürnberg, DE | **Rust Nürnberg online #10**| Rust Nuremberg](https://www.meetup.com/rust-noris/events/283545751/)
+* [February 17, 2022 | Stuttgart, DE | **Rust-Meetup** | Rust Community Stuttgart](https://www.meetup.com/Rust-Community-Stuttgart/events/282545308)
+* [February 17, 2022 | Würzburg, DE | **Meet and chat about Rust** | Rust Würzburg Meetup Group](https://www.meetup.com/rust-wurzburg-meetup-group/events/283609518)
+* [February 22, 2022 | Dublin, IE | **Rust Dublin February Meetup** - Rust Dublin](https://www.meetup.com/Rust-Dublin/events/283613610)
+* [February 24, 2022 | Linz, AT | **Rust Meetup Linz - 19th Edition** | Rust Linz](https://www.meetup.com/Rust-Linz/events/283377693/)
 
 
 If you are running a Rust event please add it to the [calendar] to get
@@ -178,17 +193,23 @@ Email the [Rust Community Team][community] for access.
 
 * [Senior Rust Backend Engineer (Remote)](https://www.svix.com/careers/)
 
+**Tangram**
+
+* [Rust Programmer (Remote)](https://www.tangram.dev/jobs)
+
+**Polar Sync**
+
+* [Senior Blockchain Engineer (Remote)](https://polarsync.breezy.hr/p/6b3e70422f1d)
+
 *Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
 
 # Quote of the Week
 
-> Rust : We have a race condition bug in our standard filesystem library !  
-> C++ : You guys have a concurrency safe standard filesystem library ?  
-> C : You guys have a standard filesystem library ?
+> * [`impl Not for !`](https://github.com/rust-lang/rust/pull/91122) (did you guess that "not never" is still "never"?)
 
-– [redditmodsareshits on /r/cpp](https://np.reddit.com/r/cpp/comments/s8ok0h/possible_toctou_vulnerabilities_in)
+– [llogiq on last week's TWiR](https://this-week-in-rust.org/blog/2022/01/26/this-week-in-rust-427)
 
-Thanks to [UtherII](https://users.rust-lang.org/t/twir-quote-of-the-week/328/1168) for the suggestion!
+Thanks to [scottmcm](https://users.rust-lang.org/t/twir-quote-of-the-week/328/1174) for the suggestion!
 
 [Please submit quotes and vote for next week!](https://users.rust-lang.org/t/twir-quote-of-the-week/328)