Rust周报 396(译)

• this-week-in-rust
• 日期：2021-06-23
• 原文：396 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

本周没有时事通讯或研究文章。

Official

• Announcing Rust 1.53.0
• [Inside] rust compiler june steering cycle

Project/Tooling Updates

• rust-analyzer Changelog #82
• IntelliJ Rust Changelog #149
• rustymind - Parse and visualize 脑电破 with Rust
• This Week In TensorBase 8
• Supporting Miguel Ojeda’s Work on Rust in the Linux Kernel
• rustc_codegen_gcc: Progress Report #1

Observations/Thoughts

• Walking through “The Java Tutorials” with Rust - boxed trait objects and the search for inheritance
• WABT: A wonderful CLI for manipulating Wasm
• wasm-bindgen making Rust and JavaScript interoperability easy
• Type-checked keypaths in Rust
• Exploring ways to make async Rust easier
• Reading Back What You Wrote in Rust
• First Rust Project: A Chess Engine
• Rust vs C++ for game development
• Skipping Tests in Rust
• [ZH] build a gameboy emulator in rust
• [video] why the future of the cloud will be built on rust - oliver gould, buoyant

Rust Walkthroughs

• Rust and AWS Lambda
• Deserializing Binary Data Files in Rust
• 又一个时髦的 Rust CLI
• Build an API in Rust (Part 2)
• 多态性 in Rust
• Getting started with MongoDB and Redis in Rust
• Making My Website Part 1: Monitoring On A Raspberry Pi
• [ZH] Develop WebAssembly Program in Rust
• [video] Rust Fuzzing #3: How to write (better) Rust fuzz targets?
• [video] Building a Web Application with Rust - Part III - Database Manager
• [video] Building a Web Application with Rust - Part IV - HTTP Server

Miscellaneous

• Rust is not a Company
• Google Wants To See Rust Code In The Linux Kernel, Contracts The Main Developer
• Rust is the most wanted language by Godot Engine users

Crate of the Week

本周的箱子是serde-encrypt, 一个，为所有的Serialize实现，添加‘加密’的库

谢谢Sho Nakatani提名。

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。

• cargo - SearchIndexer takes time indexing \target on windows
• cargo - Ability to specify the output name for a bin target different from the crate name
• cargo - Using alternative registries names in text output
• cargo - A dependency on path = “.” should have a good error message

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

301 个拉取请求是merged in the last week

• use AttrVec for Arm, FieldDef, and Variant
• prefer partition_point to look up assoc items
• lint for unused borrows as part of UNUSED_MUST_USE
• miri: report an error if a #[no_mangle]/#[export_name = ...] function has the same symbol name as a built-in shim
• fix span calculation in format strings
• stabilize span_open() and span_close()
• stabilize ops::ControlFlow (just the type)
• linear interpolation
• add functions Duration::try_from_secs_{f32, `f64'}
• specialize io::Bytes::size_hint for more types
• optimize Eq implementation for paths
• integrate binary search codes of binary_search_by and partition_point
• futures: introduce stream::select_with_strategy
• cargo: don’t allow config env to modify vars set by cargo
• cargo: avoid quadratic complexity when splitting output into lines
• rustdoc: fix ICE when using #[doc(keyword = "...")] on non-items
• rustdoc: account for const-unstable functions
• clippy: fix wrong config option being suggested for deprecated wrong_pub_self_convention lint
• clippy: improve panic message on “Found multiple rlibs” error in compile-test
• clippy: add macro_braces lint to check for irregular brace use in certain macros
• clippy: check for unbalanced tick pairs in doc_markdown lint
• clippy: move from-iter-instead-of-collect to pedantic

Rust Compiler Performance Triage

在较小的基准测试（例如 helloworld）上的一些小退步，可能集中在少数情况下，生成更多 IR。

分流完成 @simulacrum.修订范围：d192c80..3912083

2 个退步，1 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：

• Type-changing struct update syntax

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] RFC: Add delete and delete_by methods to Iterator

Tracking Issues & PRs

• [disposition: merge] Redefine ErrorKind::Other and stop using it in std.
• [disposition: merge] When using process::Command on Windows, environment variable names must be case-preserving but case-insensitive
• [disposition: merge] Tracking Issue for std::io::Seek::rewind()
• [disposition: merge] Support forwarding caller location through trait object method call
• [disposition: merge] Tracking issue for ops::Bound::cloned()

New RFCs

• Stabilize Cargo’s weak-dep-features and namespaced-features.

Quote of the Week

最后，我可以适当地命名我的不安全函数。

unsafe fn e͙̤͎̪͒x̲͓̞̤͍̻̺̂͗͛͆͡t̜̣͊̓ͩ̍̑e̩͖͙͎̼̖͉ͮṇ̨͖̎̓ͅd̗̼͕ͫ̅_̲̦̥̙̙͍͂́l͙͙̦̞̠̃͌͒i̹̘͍̳̊ͪͦͤ͒̊͋f̨ͥ̄̌ḛ̜͗̉̃̎̂̔̐t̩̲̘͕͉̺̫̓͗́i̹̤̭ͭ͆̔ͪͤ͢m̹̤̜̗̫̩͍ͨe̝͒ͣ<'b>(r: R<'b>) -> R<'static>

– Freeky on r/rust

Thanks to Vincent de Phily 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