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Jun 25th, 2017
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  1. //工作1(任務1)
  2. let task1 = {
  3. for i in 1...5 {
  4. print("Task1: \(i)")
  5. }
  6. }
  7. //工作2(任務2)
  8. let task2 = {
  9. for i in 1...5 {
  10. print("Task2: \(i)")
  11. }
  12. }
  13.  
  14. ##主佇列 + 同步工作(依加入工作的順序執行工作)
  15. DispatchQueue.main.async(execute: task1)
  16. DispatchQueue.main.async(execute: task2)
  17.  
  18. ##同時佇列 + 非同步工作
  19. DispatchQueue.global().async(execute: task1)
  20. DispatchQueue.global()
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