Rust周报 402(译)

• this-week-in-rust
• 日期：2021-08-04
• 原文：402 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。

Updates from Rust Community

Official

• Announcing Rust 1.54.0
• The push for GATs stabilization
• [Inside] rust compile august steering cycle

Project/Tooling Updates

• IntelliJ Rust Changelog #152
• What’s new in IntelliJ Rust
• rust-analyzer Changelog #88
• GCC Rust Monthly Report #8 July 2021
• rustc_codegen_gcc: Progress Report #2
• Rust on Espressif chips
• ConnectorX: accelerate data loading from databases to dataframes
• This week in SixtyFPS (a Rust GUI toolkit)
• This week in Fluvio 1: the programmable streaming platform
• This week in Datafuse #1
• This Week In TensorBase 14

Observations/Thoughts

• 15k inserts/s with Rust and SQLite
• Deep Learning in Rust with GPU using onnxruntime-rs
• Rewriting my mobile game in Rust targeting WASM
• 怎么编写 超慢的 Rust code
• Rust: First Thoughts
• 5 Reasons Why You Should Start Using Rust for Personal Projects
• 一场值得铭记的 Borrowck 战斗
• [audio] open source security episode 282 - the security of rust: who left all this awesome in here?

Rust Walkthroughs

• Async Rust 打地基: A Simple Web Server
• Implementing Base64 from scratch with Rust
• Improvements for #[doc] attributes in Rust
• How to deploy Rust on Heroku (with Docker)
• Rust #7: Command-Line interfaces
• Adding our own custom statement to Rust language
• Core dump for Rust
• Zero to Production in Rust #9: Naive Newsletter Delivery
• Interacting with data from FFI in Rust
• How I built End-to-End Encrypted Messaging in 51 lines of Rust, using the Ockam crate
• [PT] resumo: closure no rust
• [ZH] tokio internals - 源码解读和设计分析

Miscellaneous

• Rust is the most loved language, SIX YEARS IN A ROW. StackOverflow Survey 2021 is out!
• Rust Module of the Week!
• University of Illinois at Urbana-Champaign Graduate (Ralf Jung) receives ACM Doctoral Dissertation Award
• Implementing a BLT parser by hand in Rust (vs pest and combine): OpenTally dev log
• Rust on RISC-V BL602: Is It Sunny?
• Rust Design FAQ for C++ Programmers
• 🦀 Role-Based Access Control (RBAC) Guide in Rust
• betterCode Rust Conference announced (October 13)

Crate of the Week

本周的箱子是sycamore，一个使用 WebAssembly 制作 Web 应用程序的箱子。

谢谢Luke Chu的自我建议。

Submit your suggestions and votes for next week！

Module of the Week

本周推出的是Rust Module of the Week和std::fs Part 1。欢迎投稿和反馈here.

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！

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。

• vandenheuvel/relp - A faster implementation of Markowitz' pivot rule in LU factorization
• vandenheuvel/relp - Parsing the LP file format
• ockam-network/ockam - Make Rust Errors more idiomatic
• ockam-network/ockam - File Transfer over end-to-end encrypted secure channels

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

324 个拉取请求是merged in the last week

• #[derive(Default)] on enums with a #[default] attribute(RFC)#3107)
• fix issue with autofix for ambiguous associated function from Rust 2021 prelude when struct is generic
• add flag to configure large_assignments lint
• make const panic!("..") work in Rust 2021
• suggest removing unnecessary &mut as help message
• suggest ; on parse error where applicable
• fix invalid suggestions for non-ASCII characters in byte constants
• tweak opaque type mismatch error
• bail on any found recursion when expanding opaque types
• polonius: compute subset errors everywhere
• MIR borrowck does not generate lifetime variables for 'static lifetimes during opaque type resolution
• tweak borrowing suggestion in for loop
• remove unsound TrustedRandomAccess implementations
• BTree: lazily locate leaves in rangeless iterators
• partially stabilize const_slice_first_last
• stabilize core::task::ready!
• stabilize const_fn_transmute, const_fn_union
• implement fold() on array::IntoIter to improve flatten().collect() perf
• optimize fmt::PadAdapter::wrap
• remove P: Unpin bound on impl Future for Pin
• futures: use futuresordered in join_all
• clippy: cover Result on map_flatten lint
• clippy: fix while_let_on_iterator

Rust Compiler Performance Triage

表现平静的一周，没有大的变化。退步仅限于几个基准。

分流完成 @simulacrum.修订范围：998cfe5..3354a44

2 个退步，0 个改进，0 个混合；其中 1 个在汇总中

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：

• Stabilize Cargo’s weak-dep-features and namespaced-features.
• RFC: Introduce concat_bytes!() to join [u8] and byte str analogous to concat! for str

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

目前没有 RFC 处于最终评论期。

Tracking Issues & PRs

• [disposition: merge] Stabilize Vec<T>::shrink_to
• [disposition: merge] impl Default, Copy, Clone for std::io::Sink and Empty
• [disposition: merge] impl Pattern for char array
• [disposiiton: merge] Weaken guarantee around advancing underlying iterators in zip

New RFCs

• RFC: Backtrace in core

Quote of the Week

可悲的是，没有引文。

Please submit quotes and vote for next week!

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

Discuss on r/rust