Rust周报 399(译)

• this-week-in-rust
• 日期：2021-07-14
• 原文：399 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

Newsletters

• This Month in Rust GameDev #23 - June 2021
• This Month in Rust OSDev (June 2021)

Project/Tooling Updates

• Announcing Arti, a pure-Rust Tor implementation
• Programmatic stream filtering using WebAssembly
• Filecoin Rust implementation “Forest” project update
• Mina Rust implementation update: Web 3.0 with Rust x Wasm
• This Week In TensorBase 11
• Rust Analyzer Changelog #85

Observations/Thoughts

• (Risp (in (Rust) (Lisp)))
• [series] learning rust #6: understanding ownership in rust
• [series] why and how we wrote a compiler in rust: part 2
• [audio] what’s new in rust 1.52 and 1.53

Rust Walkthroughs

• Inline In Rust
• Using WebAssembly threads from C, C++ and Rust
• Host a wasm module on Raspberry Pi easily Part 1
• Hello, Video Codec! - Demystify video codecs by writing one in ~100 lines of Rust
• Learning Idiomatic Rust with FizzBuzz
• Rust + Tauri + Svelte Tutorial
• Rust Nibbles : Gazebo - Gazebo 库的介紹
• A Rust controller for Kubernetes
• First steps with Docker + Rust
• [series] writing an rpg using rg3d - #1 - character controller
• [series] rust #4: options and results (part 2)
• [series] basic crud with rust using tide - refactoring
• [video] end-to-end encrypted messaging in rust, with ockam by mrinal wadhwa
• [video] [series] Building a Web Application with Rust - Part IX - Deploying on Kubernetes
• [video] [series] ULTIMATE Rust Lang Tutorial! - Smart Pointers Part 1
• [video] [series] Implementing Hazard Pointers in Rust (part 2)

Papers

• Is Rust Used Safely by Software Developers?

Miscellaneous

• Introducing hyperfunctions: new SQL functions to simplify working with time-series data in PostgreSQL

Crate of the Week

本周的箱子是endbasic，友好的 DOS / BASIC 仿真环境，在小型硬件和网络上运行。

谢谢Julio Merino建议。

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！

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。

Synth

• Specify collections on import
• Add tests for examples (i.e. bank_db)
• Implemented a converter for timestamptz
• Feature: Doc template generator

Forest

• Cleanup net peers output
• FOREST_CONFIG_PATH env var

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

254 个拉取请求是merged in the last week

• 改善 opaque pointers support
• recover from &dyn mut … parse errors
• improve error reporting for modifications behind & references
• do not suggest adding a semicolon after ?
• use #[track_caller] in const panic diagnostics
• query-ify global limit attribute handling
• support forwarding caller location through trait object method call
• shrink the deprecated span
• report an error if resolution of closure call functions failed
• stabilize RangeFrom patterns in 1.55
• account for capture kind in auto traits migration
• stop generating allocas & memcmp for simple short array equality
• inline Iterator as IntoIterator
• optimize unchecked indexing into chunks and ‘chunks_mut`
• add Integer::log variants
• special case for integer log10
• cargo: unify cargo and rustc’s error reporting
• rustdoc: fix rendering of reexported macros 2.0 and fix visibility of reexported items

Rust Compiler Performance Triage

主要是安静的一周；改善大于退步。

分流完成 @simulacrum.修订范围：9a27044f4..5aff6dd

1 退步，4 改进，0 混合；其中 0 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：

• RFC: I/O Safety

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] Move assert_matches to an inner module
• [disposition: merge] Stabilize arbitrary_enum_discriminant
• [disposition: close] regression: infallible residual could not convert error
• [disposition: merge] Document iteration order of retain functions
• [disposition: merge] Partially stabilize const_slice_first_last
• [disposition: merge] Stabilize const_fn_transmute, const_fn_union
• [disposition: merge] Allow leading pipe in matches!() patterns.
• [disposition: close] Add expr202x macro pattern
• [disposition: merge] Remove P: Unpin bound on impl Future for Pin
• [disposition: merge] Stabilize core::task::if_ready!
• [disposition: merge] Tracking Issue for IntoInnerError::into_parts etc. (io_into_inner_error_parts)
• [disposition: close] Implement RFC 2500 Needle API (Part 1)

New RFCs

• RFC: map_or_default in Option and Result
• Cargo feature migrations

Quote of the Week

Rust 的开始：呃，为什么编译器阻止我做这可怕的事情

Rust 的成长：呃，为什么编译器不阻止我做这可怕的事情了

– qDot on twitter

Thanks to Nixon Enraght-Moony for the self-suggestion!

Please submit quotes and vote for next week!

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

Discuss on r/rust