Created
January 27, 2020 13:31
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| class Job { | |
| func run(completion: @escaping () -> Void) { | |
| sleep(5) | |
| completion() | |
| } | |
| } | |
| let job = Job() | |
| print("A") | |
| job.run { | |
| print("B") | |
| } | |
| print("C") |
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