Shared, Exclusive, Mutable, Immutable

Transcript

1. @gregheo ! NSBudapest, May 2018 Shared
 Exclusive
 Mutable
 Immutable

2. @gregheo ! NSBudapest, May 2018 Data "

3. @gregheo ! NSBudapest, May 2018 Code Example #

4. @gregheo ! NSBudapest, May 2018 Exclusive Shared Immutable Mutable

5. @gregheo ! NSBudapest, May 2018 Exclusive Shared Immutable Mutable

6. @gregheo ! NSBudapest, May 2018 Exclusive Shared Immutable private let

   Screen size / scale Mutable private var
 private queue $

7. @gregheo ! NSBudapest, May 2018 Fewer entry points

8. @gregheo ! NSBudapest, May 2018 Private queues

9. @gregheo ! NSBudapest, May 2018 Queue Callback

10. @gregheo ! NSBudapest, May 2018 
 // call from anywhere!


    public func something() {
 privateQueue.sync { … } }


11. @gregheo ! NSBudapest, May 2018 
 // always call on

    the main queue!
 public func something() 


12. @gregheo ! NSBudapest, May 2018 
 // always call on

    the main queue!
 public func something() {
 dispatchPrecondition(condition: .onQueue(.main))
 }


13. @gregheo ! NSBudapest, May 2018 Make it difficult
 to get

    wrong

14. @gregheo ! NSBudapest, May 2018 köszönöm! ☺