Code RoomMonth advance skips dates

HardPrep Room Coding #1766

Month advance skips dates

Code reviewCode quality & reviewSenior–Staff~30 min

Review this Go billing helper that advances a subscription one month.

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 30 min

Mark a line and say what kind of problem it is.0 findings

1func nextBilling(t time.Time) time.Time {

2 return t.AddDate(0, 1, 0)

3}

4

5// nextBilling(Jan 31, 2023) ?

6// then nextBilling on that result, repeatedly

Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.