Menunggu semua utas menyelesaikan Swift
let group = DispatchGroup()
group.enter()
DispatchQueue.global(qos: .userInitiated).async {
// Do work asyncly and call group.leave() after you are done
group.leave()
}
group.notify(queue: .main, execute: {
// This will be called when block ends
})
Kanishk Dhindsa