[swift 4] 為什麼 Switch 判斷式不能這樣寫? (圖解)

2018 3:46
Synopsis
線上課程同學提問,為什麼Switch 判斷式不能加入某種形式的條件。我用畫圖來說明原因。原來是要判斷的是整數,而case列出的卻 ...
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