Parent directory edge case
Review this Go helper that returns the parent directory of a path by trimming after the last slash.
What a strong answer looks like
Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.
0:00 of about 14 min
Mark a line and say what kind of problem it is.0 findings
1func parentDir(path string) string {
2 i := strings.LastIndex(path, "/")
3 return path[:i]
4}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.
Run or narrate your approach, then ask the coach.