Singleton
Singletons are useful when you want data in memory to persist throughout the lifetime of the application. Usually, it is better to pass around the relevant data to each of your controller for easier unit testing and debugging. But sometimes, you just need a singleton for realizing a very simple task.
Swift Sample Code
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class AdsHelper { static let sharedInstance = AdsHelper() } |
Other Sample Codes
You can find the list of sample code blog posts in this page: Sample Codes List
