错误处理
This segment should take about 45 minutes. It contains:
| Slide | Duration |
|---|---|
| Panics | 3 minutes |
| 尝试运算符 | 5 minutes |
| 尝试转换 | 5 minutes |
| Error 特征 | 5 minutes |
| thiserror 和 anyhow | 5 minutes |
| 练习：使用 Result 进行重写 | 20 minutes |
This segment should take about 45 minutes. It contains:
| Slide | Duration |
|---|---|
| Panics | 3 minutes |
| 尝试运算符 | 5 minutes |
| 尝试转换 | 5 minutes |
| Error 特征 | 5 minutes |
| thiserror 和 anyhow | 5 minutes |
| 练习：使用 Result 进行重写 | 20 minutes |