Swift await async

func myFunction() {
    let array = [Object]()
    let group = DispatchGroup() // initialize

    array.forEach { obj in

        // Here is an example of an asynchronous request which use a callback
        group.enter() // wait
        LogoRequest.init().downloadImage(url: obj.url) { (data) in
            if (data) {
                group.leave() // continue the loop
            }
        }
    }

    group.notify(queue: .main) {
        // do something here when loop finished
    }
}

Similar codes

1 vote186 views1 answer
Get hours difference between two dates swift
Swift
2 votes167 views1 answer
On swipe get contentoffset swift collectionview
Swift
5 votes216 views2 answers
Navigationview hide header swiftui
Swift
0 vote176 views1 answer
Move view controller to make space for keyboard swift 5
Swift
3 votes183 views1 answer
Swift get device screen size
Swift
1 vote156 views1 answer
Swift wait 5 seconds
Swift
0 vote179 views2 answers
Rounded ios button
Swift
0 vote185 views1 answer
Swift 5 flatMap wtih keypath
Swift
1 vote156 views1 answer
Presentviewcontroller must be set swift google login
Swift
1 vote165 views1 answer
Swift change label text
Swift