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Oct 10th, 2015
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  1. //pattern 是 case 後接的參數,value 是 switch 後面接的參數
  2. func ~=(pattern: String, value: Int) -> Bool {
  3. return pattern == "\(value)"
  4. }
  5.  
  6. //這個會被代入 ~= 函數裡的 value
  7. let x = 1
  8. switch x {
  9. //這個會被代入 ~= 函數裡的 pattern
  10. case "1":
  11. print("GG")
  12. default:
  13. print("nothing")
  14. }
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