 iOS Interview Prep 7- Async/Await

closure.swift

// 1. Call the method
fetchImages { result in
    // 3. The asynchronous method returns
    switch result {
    case .success(let images):
        print("Fetched \(images.count) images.")
        
        // 4. Call the resize method
        resizeImages(images) { result in
            // 6. Resize method returns
            switch result {
            case .success(let images):
                print("Decoded \(images.count) images.")
            case .failure(let error):
                print("Decoding images failed with error \(error)")
            }
        }
        // 5. Fetch images method returns
    case .failure(let error):
        print("Fetching images failed with error \(error)")
    }
}
// 2. The calling method exits