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| import Foundation | |
| class Search { | |
| private var suggestedCitiesWorkItem: DispatchWorkItem? | |
| func getSuggestedCities(for prefix: String) { | |
| // here cancelling the previous workitem before assigning the new one | |
| suggestedCitiesWorkItem?.cancel() | |
| let workItem: DispatchWorkItem = DispatchWorkItem { | |
| NetworkManager.shared.getSuggestedCities(for: prefix) { response in | |
| // Instructions for response get from the API call | |
| } | |
| } | |
| suggestedCitiesWorkItem = workItem | |
| // executing the workitem after 1 second | |
| DispatchQueue.global().asyncAfter(deadline: .now() + .seconds(1), execute: workItem) | |
| } | |
| } |
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