An excellent illustration of delegation could be the UITableView item that is typically applied whenever a table is rendered about the monitor. The UITableView employs two distinctive delegates:
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The respondsToSelector: approach returns a Boolean benefit that implies if the receiver implements or inherits a way that can reply to a specified information.
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A potential pitfall with categories, even though, is title clashes. In the event you put into action a group method Together with the exact same title as an present method while in the referenced class, the actions at runtime is undefined (i.
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