Introduction
1.
What are editions?
1.1.
Creating a new project
1.2.
Transitioning an existing project to a new edition
1.3.
Advanced migrations
2.
Rust 2015
3.
Rust 2018
3.1.
Path and module system changes
3.2.
Anonymous trait function parameters deprecated
3.3.
New keywords
3.4.
Method dispatch for raw pointers to inference variables
3.5.
Cargo changes
4.
Rust 2021
4.1.
Additions to the prelude
4.2.
Default Cargo feature resolver
4.3.
IntoIterator for arrays
4.4.
Disjoint capture in closures
4.5.
Panic macro consistency
4.6.
Reserved syntax
4.7.
Raw lifetimes
4.8.
Warnings promoted to errors
4.9.
Or patterns in macro-rules
4.10.
C-string literals
5.
Rust 2024
5.1.
Language
5.1.1.
RPIT lifetime capture rules
5.1.2.
if let temporary scope
5.1.3.
Tail expression temporary scope
5.1.4.
Match ergonomics reservations
5.1.5.
Unsafe extern blocks
5.1.6.
Unsafe attributes
5.1.7.
unsafe_op_in_unsafe_fn warning
5.1.8.
Disallow references to static mut
5.1.9.
Never type fallback change
5.1.10.
Macro fragment specifiers
5.1.11.
Missing macro fragment specifiers
5.1.12.
gen keyword
5.1.13.
Reserved syntax
5.2.
Standard library
5.2.1.
Changes to the prelude
5.2.2.
Add IntoIterator for Box<[T]>
5.2.3.
Newly unsafe functions
5.3.
Cargo
5.3.1.
Cargo: Rust-version aware resolver
5.3.2.
Cargo: Table and key name consistency
5.3.3.
Cargo: Reject unused inherited default-features
5.4.
Rustdoc
5.4.1.
Rustdoc combined tests
5.4.2.
Rustdoc nested include! change
5.5.
Rustfmt
5.5.1.
Rustfmt: Style edition
5.5.2.
Rustfmt: Formatting fixes
5.5.3.
Rustfmt: Raw identifier sorting
5.5.4.
Rustfmt: Version sorting
轻量
锈
煤
海军
香鱼
Rust 版本指南
Rust 2021
信息
RFC
#3085
发布版本
1.56.0
Rust 2021 版本包含多项更改，为该语言带来了新的功能和更高的统一性，并为未来的扩展提供了空间。以下章节将深入探讨每个更改的细节，并包含有关迁移现有代码的指南。