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standinga/main.swift

Created August 17, 2019 13:37
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fetchData function for medium blog post about DispatchGroup and DispatchSemaphore, https://link.medium.com/zJMQPUHaeZ
Raw
main.swift
func fetchData(_ data: Int, delay: Double, completionHandler: @escaping (String)->()) {
DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
completionHandler("\(data)")
}
}
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