新版本的变更 / Rust 2021
Closures capture disjoint fields
Array into_iter yields values
panic! always takes a format string
TryFrom and TryInto in the prelude
Or-patterns in the pat macro fragment
Reserved prefixes like ident#
Or-patterns in the pat macro fragment
此示例属于完整版，可在应用商店购买：
Rust Recipes
App Store
Code Recipes
App Store
已经购买？登录您的账户