Code RoomLinear scan for duplicate detection
MediumPrep Room Coding #2111

Linear scan for duplicate detection

Code reviewCode quality & reviewMid–Senior~18 min

Review this Go dedup check run for every incoming event.

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 18 min
Mark a line and say what kind of problem it is.0 findings
1var seen []string
2 
3func isDuplicate(id string) bool {
4 for _, s := range seen { // linear scan of everything seen so far
5 if s == id {
6 return true
7 }
8 }
9 seen = append(seen, id)
10 return false
11}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.