Han Xu c3d9a2bdc5 refactor design: part 2 ...

- Add a code browsing test
- Update design doc, mainly Code Browsing and Diff.
- Simplify `Directory`.
- Remove `Tree` and `Forest`, and `SystemType`.
- Use `Rev` in `diff()`.

Signed-off-by: Han Xu <keepsimple@gmail.com>

2022-10-17 19:57:20 -07:00

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diff.rs

refactor design: part 2

2022-10-17 19:57:20 -07:00