diff --git a/src/advance/smart-pointer/cell-refcell.md b/src/advance/smart-pointer/cell-refcell.md index 3cefed33..b10ca41a 100644 --- a/src/advance/smart-pointer/cell-refcell.md +++ b/src/advance/smart-pointer/cell-refcell.md @@ -182,7 +182,7 @@ error[E0596]: cannot borrow `self.msg_cache` as mutable, as it is behind a `&` r | ^^^^^^^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be borrowed as mutable ``` -在报错的同时,编译器大聪明还善意地给出了提示:将 `&self` 修改为 `&mut self`,但是。。。我们实现的特征是定义在外部库中,因此该签名根本不能修改。值此危急关头, `RefCell` 闪亮登场: +在报错的同时,编译器大聪明还善意地给出了提示:将 `&self` 修改为 `&mut self`,但是。。。我们实现的特征是定义在外部库中,因此该签名根本不能修改。至此危急关头, `RefCell` 闪亮登场: ```rust use std::cell::RefCell;