[Syncing multiple async tasks in Swift - code snippets 3]

dispatchGroup.swift

let group = DispatchGroup()
endpoints.forEach { endpoint in
    group.enter()
    performNetworkRequest(url: baseUrl + endpoint) { data, error in
        print("Task \(endpoint) is done")
        group.leave()
    }
}

// notify the main thread when all task are completed
group.notify(queue: .main) {
    print("All Tasks are done")
}