See this comment for more specifics: https://news.ycombinator.com/item?id=32953007 https://news.ycombinator.com/item?id=32953007 I think there its a little unc

See this comment for more specifics: https://news.ycombinator.com/item?id=32953007 https://news.ycombinator.com/item?id=32953007 I think there its a little unclear that by case, I mean testcases that would fail to pass to fulfill a single feature. E.g. "I need an addition feature for a calculator" but naive implementation will result in it working for 1+1 and fail for all others.