Rust周报 407(译)

• this-week-in-rust
• 日期：2021-09-08
• 原文：407 期

你好，欢迎再来一期本周的螃蟹行情！Rust是一种追求三位一体的系统语言：安全性、并发性和速度。这是它的进展和社区的每周总结。有什么要说的吗？推特@ThisWeekInRust或向我们发送请求。 想参与吗？我们热爱贡献.

这本周的螃蟹行情是在在 Github 上公开的。如果你在本周的问题中发现任何错误，请提交 PR。 Rust*公开开发on GitHub.如果您在本周的问题中发现任何错误，please submit a PR

Updates from Rust Community

Official

• [Inside] splitting the const generics features
• [Inside] 1.55.0 pre-release testing

Newsletters

• This Month in Rust GameDev #25 - August 2021
• This Month in Rust OSDev (August 2021)

Project/Tooling Updates

• rust-analyzer Changelog #93
• This week in Fluvio #5: the programmable streaming platform
• rustc_codegen_gcc: Progress Report #3
• This week in Datafuse #6
• Announcing Relm4 v0.1
• SixtyFPS (GUI crate) weekly report for 6th of September 2021

Observations/Thoughts

• Why Rust for offensive security
• Had a blast porting one of my serverless applications from Go to Rust - some things I learned
• Broken Encapsulation
• Faster Top Level Domain Name Extraction with Rust
• Rust programs written entirely in Rust
• Fast Rust Builds
• Virtual Machine Dispatch Experiments in Rust
• Rust Verification Tools - Retrospective
• How to avoid lifetime annotations in Rust (and write clean code)
• Using SIMD acceleration in Rust to create the world’s fastest tac
• Overview of the Rust cryptography ecosystem
• Rustacean Principles
• Writing software that’s reliable enough for production
• Plugins in Rust: Getting Started
• A Gopher’s Foray into Rust
• Building a reliable and tRUSTworthy web service
• [audio] the rustacean station podcast - rust in curl

Rust Walkthroughs

• The Why and How of Rust Declarative Macros
• Build a secure access tunnel to a service inside of a Remote Private Network, using Rust
• Rust on RISC-V BL602: Rhai Scripting
• Rudroid - Writing the World’s worst Android Emulator in Rust
• Hexagonal architecture in Rust #3
• Hexagonal architecture in Rust #4
• Explaining How Memory Management in Rust Works by Comparing with JavaScript
• Postgres Extensions in Rust
• Let’s overtake go/fasthttp with rust/warp
• How we built our Python Client that’s mostly Rust
• Combining Rust and C++ code in your Bela project
• Data-oriented, clean&hexagonal architecture softwware in Rust - through an example project
• Let’s build an LC-3 Virtual Machine
• How to think of unwrap
• Learning Rust: Interfacing with C
• How to build a job queue with Rust and PostgreSQL
• [ID] belajar rust - 02: instalasi rust
• [video] crust of rust: async/await
• [video] concurrency in rust - sharing state
• [video] setting up an arduino project using rust

Miscellaneous

• Unity files patent for ECS in game engines that would probably affect many Rust ECS crates, including Bevy’s
• Rust 2021 celebration and thanks
• Rust on RISC-V BL602: Rhai Scripting
• Wanted: Rust sync web framework
• [audio] rust 2021 edition

Crate of the Week

遗憾的是，本周我们没有提名。尽管如此，我还是给出gradient，一个命令行工具，用于从 SVG 中提取 gradoents，显示和操作它们。

Please submit your suggestions and votes for next week！

Call for Participation

一直想为开源项目做贡献但不知道从哪里开始？每周我们都会重点介绍来自 Rust 社区的一些任务，供您挑选并开始使用！

• Rust for the Polyglot Programmer - a guide in need of review by and feedback from the Rust Community
• Survey - How People Use Rust

其中一些任务可能还有可用的导师，请访问任务页面了解更多信息。

如果您是 Rust 项目所有者并且正在寻找贡献者，请提交任务here.

Updates from Rust Core

300 个拉取请求是merged in the last week

• introduce let...else
• update const generics feature gates
• allow ~const bounds on trait assoc functions
• emit specific warning to clarify that #[no_mangle] should not be applied on foreign statics or functions
• fix 2021 dyn suggestion that used code as label
• warn when [T; N].into_iter() is ambiguous in the new edition
• detect bare blocks with type ascription that were meant to be a struct literal
• use right span in prelude collision suggestions with macros
• improve structured tuple struct suggestion
• move global analyses from lowering to resolution
• fmt::Formatter::pad: don’t call chars().count() more than one time
• add carrying_add, borrowing_sub, widening_mul, carrying_mul methods to integers
• stabilize UnsafeCell::raw_get
• stabilize Iterator::intersperse
• stabilize std::os::unix::fs::chroot
• compiler-builtins: optimize memcpy, memmove and memset
• futures: add TryStreamExt::try_forward, remove TryStream bound from StreamExt::forward
• futures: correcting overly restrictive lifetimes in vectored IO
• cargo: stabilize 2021 edition
• cargo: improve error message when unable to initialize git index repo
• clippy: add the derivable_impls lint
• rustdoc: clean up handling of lifetime bounds
• rustdoc: don’t panic on ambiguous inherent associated types
• rustdoc: box GenericArg::Const to reduce enum size
• rustdoc: display associated types of implementors

Rust Compiler Performance Triage

忙碌的一周，有很多不同的变化，但最终只有少数被认为是称得上重要的

分流完成 @pnkfelix.修订范围：fe379..69c4a

3 个退步，1 个改进，3 个混合；其中 0 个在汇总中 总共进行了 57 次比较

Full report here.

Approved RFCs

Rust 的变化遵循 RustRFC (request for comments) process.这些是本周批准实施的 RFC：

本周没有 RFC 获得批准。

Final Comment Period

每周the team宣布正在达成决定的 RFC 和关键 PR 的“最终评论期”。现在就发表你的意见。

RFCs

• [disposition: close] Proposal: Else clauses for for and while loops
• [disposition: merge] Scrape code examples from examples/ directory for Rustdoc
• [disposition: merge] Rust-lang crate ownership policy

Tracking Issues & PRs

• [disposition: merge] Deprecate array::IntoIter::new
• [disposition: merge] Partially stabilize array_methods
• [disposition: merge] Tracking issue Iterator map_while

New RFCs

• Add RFC float-next-up-down

Quote of the Week

在 Rust 中，健全性绝不仅仅是一种约定。

– @H2CO3 on rust-users

Thanks to Riccardo D’Ambrosio for the suggestion!

Please submit quotes and vote for next week!

This Week in Rust is edited by: nellshamrell, llogiq, and cdmistman.

Discuss on r/rust

爷爷，上去后，不要老吃面包啦！🕯️