不稳定的特性状态
Language
| Feature | Status | Minimum Edition |
|---|---|---|
impl Trait | Shipped, 1.26 | 2015 |
| Basic slice patterns | Shipped, 1.26 | 2015 |
| Default match bindings | Shipped, 1.26 | 2015 |
| Anonymous lifetimes | Shipped, 1.26 | 2015 |
dyn Trait | Shipped, 1.27 | 2015 |
| SIMD support | Shipped, 1.27 | 2015 |
? in main/tests | Shipping, 1.26 and 1.28 | 2015 |
| In-band lifetimes | Unstable; tracking issue | 2015 |
Lifetime elision in impls | Unstable; tracking issue | 2015 |
| Non-lexical lifetimes | Implemented but not ready for preview | 2015 |
T: 'a inference in structs | Unstable; tracking issue | 2015 |
| Raw identifiers | Unstable; tracking issue | ? |
Import macros via use | Unstable; tracking issue | ? |
| Module system path changes | Unstable; tracking issue | 2018 |
虽然 Rust 2015 中已经提供了其中一些功能，但是它们在这里被跟踪，因为它们是作为 Rust 2018 版本的一部分进行推广的。 因此，它们将在本指南的后续章节中讨论。标记为 “Shipped” 的功能现在都可以在稳定的 Rust 中使用，因此您可以立即开始使用它们！
Standard library
| Feature | Status |
|---|---|
| Custom global allocators | Will ship in 1.28 |
Tooling
| Tool | Status |
|---|---|
| RLS 1.0 | Feature-complete; see 1.0 milestone |
| rustfmt 1.0 | Finalizing spec; 1.0 milestone, style guide RFC, stability RFC |
| Clippy 1.0 | RFC |
Documentation
| Tool | Status |
|---|---|
| Edition Guide | Initial draft complete |
| TRPL | Updated as features stabilize |
Web site
视觉设计正在最终确定，早期的内容头脑风暴已经完成。