Created
July 9, 2019 22:13
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example for adding synchronization
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| let group = DispatchGroup() | |
| var text = "" | |
| for i in 0..<20 { | |
| group.enter() | |
| fetchData(i, delay: Double.random(in: 0...0.2)) { | |
| text += "\($0) - " | |
| group.leave() | |
| } | |
| } | |
| group.notify(queue: DispatchQueue.main) { | |
| print(text) | |
| exit(0) | |
| } | |
| RunLoop.current.run() |
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