Rust周报 387(译)

• this-week-in-rust
• 日期：2021-04-21
• 原文：387 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

本周没有论文/研究项目。

Official

• [Inside] rust compiler april steering cycle
• [Inside] lang team april update
• [Inside] jacob hoffman-andrews joins the rustdoc team
• [Foundation] introducing jane lusby
• [Foundation] introducing shane miller

Newsletters

Project/Tooling Updates

• rust-analyzer Changelog #73
• Knurling-rs changelog #23
• This Week in Ballista #11
• Welcoming Alice Ryhl as the first paid Tokio contributor
• Zellij: a Rusty terminal multiplexer(终端复用/多窗口器) releases a beta version
• faux: a struct mocking library - landing v0.1
• Otter - a game server for arbitrary board games. It is mainly written in Rust
• [audio] what’s new in rust 1.50 and 1.51

Observations/Thoughts

• Red & blue（async/sync） functions are actually a good thing
• Why Rust powers Temporal’s new Core SDK
• Optimizing 一个数独求解器 in Rust
• My journey to understand rust-lang
• How I Implemented /dev/printerfact in Rust
• Why fnm was rewritten in Rust
• Running GraphQL on Lambda with Rust
• Runtime Alias（重叠/别名） Detection
• What’s in the box?
• [video] an overview of the embedded rust ecosystem

Rust Walkthroughs

• Late Night Confessions（深夜漂流瓶） — Building a Website Using Rust, Rocket, Diesel, and Askama - Part 1
• Tour of Rust’s Standard Library Traits
• Learning Rust #3: crates.io & publishing your package
• Making an online multiplayer game in Rust with Nakama
• Creating a Sleek Masonry Gallery with React and WebAssembly
• The GPIO war: macro bunkers for typestate explosions (2)
• Using std in embedded Rust
• Rust and TUI: Building a command-line interface in Rust
• Rust: Serde: Working with untyped JSON values
• [series] writing nes emulator in rust

Miscellaneous

• rustc, iOS and an M1
• Microsoft Previews ‘Rust For Windows’
• Preparing Rustls for Wider Adoption
• Are We Yeet Yet?
• Run Rust RISC-V Firmware with BL602 IoT SDK
• [video] stanford seminar - the soul of a new machine: rethinking the computer

Crate of the Week

这周的箱子是deltoid，另一个用于增量压缩 Rust 数据结构的箱子。

谢谢Joey Ezechiëls提名

提交您下周的建议和投票！

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 Rust 社区中的一些任务，供您选择和开始！

其中一些任务也可能有导师，请访问任务页面以获取更多信息。

本周没有参加的电话

如果您是 Rust 项目的所有者并且正在寻找贡献者，请提交任务这里。

Updates from Rust Core

共有 292 个拉取请求在上周合并

• 更严格检测 when suggested paths enter extern crates
• don’t set fast-math for the SIMD operations we set it for previously
• add lint deref_nullptr detecting when a null ptr is dereferenced
• fix suggestion for unsized function parameters
• suggest to borrow after failing to cast from T to *const/mut T
• stabilize non-ascii-idents
• stabilize is_subnormal
• stabilize duration_zero
• stabilize nonzero_leading_trailing_zeros
• stabilize bufreader_seek_relative
• stabilize BTree{Map, Set}::retain
• fix aliasing violations in thread_local_const_init
• fix join_paths error display
• merge same condition branch in vec spec_extend
• improve vecdeque_binary_search
• regex: shrink size of Inst
• cargo: don’t re-use rustc cache when RUSTC_WRAPPER changes
• clippy: split is_diagnostic_assoc_item
• clippy: fix single_match
• clippy: fix a false negative on needless_return
• clippy: fix a false positive in missing_const_for_fn
• clippy: fix false positive in wrong_self_convention lint
• clippy: fix redundant_pattern_matching drop order
• clippy: un-double return on try_err

Rust Compiler Performance Triage

另一个安静的星期，对编译器性能的更改很小。

分流由 @rylev。修订范围：5258a74..6df26f

1 个退步，0 个改进，1 个混合

Approved RFCs

对 Rust 的更改跟随 RustRFC (request for comments) process。以下是本周批准实施的 RFC：

• try_trait_v2: A new design for the ? desugaring

Final Comment Period

每周the team宣布即将做出决定的 RFC 和主要 PR 的“最终意见征询期”。立即发表您的意见。

RFCs

• [disposition: merge] RFC: Reserved prefixes in the 2021 edition
• [disposition: merge] add const-ub RFC
• [disposition: merge] Target tier policy
• [disposition: postpone] RFC: Custom DSTs
• [disposition: postpone] Enum variant types

Tracking Issues & PRs

• [disposition: merge] Cautiously add IntoIterator for arrays by value
• [disposition: merge] Stabilize Duration::MAX
• [disposition: merge] Stabilize impl From<[(K, V); N]> for HashMap`
• [disposition: merge] Allow setting target_family to multiple values, and implement target_family="wasm"
• [disposition: close] Exiting a process calls exit() which isn’t thread-safe
• [disposition: merge] Stabilize :pat_param but leave :pat2021 gated
• [disposition: merge] parser: Remove support for inner attributes on non-block expressions
• [disposition: merge] Update BARE_TRAIT_OBJECT and ELLIPSIS_INCLUSIVE_RANGE_PATTERNS to errors in Rust 2021
• [disposition: merge] Tracking Issue for vec_extend_from_within
• [disposition: merge] Tracking Issue for ‘ordering helpers’
• [disposition: merge] Tracking issue for array::from_ref and array::from_mut
• [disposition: merge] Tracking Issue for {HashMap,BTreeMap}::into_{keys,values}
• [disposition: merge] Tracking issue for x86 bittest intrinsics

New RFCs

本周没有提议新的 RFC。

Quote of the Week

我们认为 Rust 现在已经准备好加入 C，作为一种实用的语言来实现 [Linux]核心。它可以帮助我们减少特权代码中潜在的错误和安全漏洞的数量，同时很好地与核心内核一起使用，并保留其性能特征。

– Wedson Almeida Filho on the Google Security Blog

Thanks to Jacob Pratt 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