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swiftbot BOT 7/4/2018 7:55 AM
(edited)
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omochimetaru
import Foundation let group1 = DispatchGroup() group1.notify(queue: .main) { print("*** Good morning, all! ***") } sleep(1)
Version:
swift-4.1.1-RELEASE
Output:
Error:
7/4/2018 7:55 AM