Swift 新知识

Asked on 2025-07-25

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在WWDC上，Swift引入了一些新的特性和改进。以下是一些亮点：

  1. Swift 6: Swift 6引入了一个新的语言模式，旨在实现数据竞争安全性，扩展了Swift的安全保证到并发程序中。此外，还引入了一个名为嵌入式Swift的新语言子集，可以在高度受限的系统上运行。What's new in Swift

  2. Swift 6.2: Swift 6.2进一步发展了语言，使其对初学者和专家都更易于使用。它提供了一条更易于引入并发的路径，并增强了语言的能力，以便专家编写性能关键的代码。What's new in Swift

  3. 严格内存安全: Swift 6.2引入了一种称为严格内存安全的新特性，这种模式要求在源代码中显式地确认所有不安全API的使用。这有助于识别代码中需要额外关注的部分。What's new in Swift

  4. 性能改进: Swift 6.2在性能方面也进行了改进，例如对数组类型的动态调整进行了优化，以提高性能。What's new in Swift

  5. Swift在服务器生态系统中的应用: Swift在苹果的服务中扮演了重要角色，许多后端服务已经用Swift重写，带来了显著的性能提升和硬件需求的减少。What's new in Swift

这些更新和特性展示了Swift在安全性、性能和易用性方面的持续发展。

What’s new in Swift

What’s new in Swift

Join us for an update on Swift. We’ll briefly go through a history of Swift over the past decade, and show you how the community has grown through workgroups, expanded the package ecosystem, and increased platform support. We’ll introduce you to a new language mode that achieves data-race safety by default, and a language subset that lets you run Swift on highly constrained systems. We’ll also explore some language updates including noncopyable types, typed throws, and improved C++ interoperability.

What’s new in Swift

What’s new in Swift

Join us for an update on Swift. We’ll talk about workflow improvements that make you more productive, and new and modernized library APIs for fundamental programming tasks. We’ll show examples of Swift adoption throughout more layers of the software stack. Finally, we’ll explore new language features for both improving approachability of concurrency, and achieving peak performance when you need it.

Improve memory usage and performance with Swift

Improve memory usage and performance with Swift

Discover ways to improve the performance and memory management of your Swift code. We’ll explore ways to refine your code – from making high-level algorithmic changes to adopting the new InlineArray and Span types for finer control over memory and allocations.