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Update chapter_3_12.md

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令狐一冲
2023-05-18 09:19:41 +08:00
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@@ -11,8 +11,11 @@ fn main() {
} }
``` ```
运行该程序会打印如下错误： 运行该程序会打印如下错误：
![注释](../../assets/16.png) ![注释](../../assets/16.png)
运行时添加```RUST_BACKTRACE=1```，可以打印完整的堆栈，上面的代码运行时加```RUST_BACKTRACE=1```的结果如下： 运行时添加```RUST_BACKTRACE=1```，可以打印完整的堆栈，上面的代码运行时加```RUST_BACKTRACE=1```的结果如下：
![注释](../../assets/17.png) ![注释](../../assets/17.png)
## 3.12.2 用Result处理可恢复错误 ## 3.12.2 用Result处理可恢复错误