标准库
In this segment:
- Comparisons (10 minutes)
- Operators (10 minutes)
- From and Into (10 minutes)
- Casting (5 minutes)
- Read and Write (10 minutes)
- Default, struct update syntax (5 minutes)
- Closures (20 minutes)
- Exercise: ROT13 (30 minutes)
This segment should take about 1 hour and 40 minutes
与标准库类型一样，请花些时间仔细阅读每个 trait 的文档。
此部分内容较长。中途可休息一下。