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How to use completion handler in swift

The code below will help you in declaration of completion handler and how to call the completion handler in swift. To declare a completion handler in swift use the line : typealias completionHander = (sucess: Bool)->Void //decalrat...

Singleton class in Swift

Hello reader's ! The singleton class ,which is responsible to instantiate itself, to make sure it creates not more than one instance, in the same time it provides a global point of access to that instance. In this case the same instance can b...
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