Created
September 12, 2019 10:14
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Dispatch group on Swift example: how to wait for multiple asynchronous closures to complete
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| let group = DispatchGroup() | |
| group.notify(queue: .main, work: DispatchWorkItem(block: { | |
| print("everything finished") | |
| })) | |
| func asyncOne() { | |
| sleep(2) | |
| group.enter() | |
| print("finished A") | |
| group.leave() | |
| } | |
| func asyncTwo() { | |
| sleep(2) | |
| group.enter() | |
| print("finished B") | |
| group.leave() | |
| } | |
| asyncOne() | |
| asyncTwo() | |
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