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Excessive comments explaining “what” rather than “why.” Fix: comment rationale, not code. 100 Go Mistakes And How To Avoid Them Pdf Download
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| Category | Example Mistake | Fix | |----------|----------------|-----| | Slices | Not reusing slices properly | Use copy() or set slice to nil | | Maps | Iterating and writing concurrently | Use sync.RWMutex or sync.Map | | Goroutines | No cancellation signal | Use context or done channel | | Errors | Swallowing errors | Always check and wrap errors | | JSON | Embedding sync.Mutex with marshaling | Omit or isolate the field | | Category | Example Mistake | Fix |