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iOS Swift Closures Closures in iOS Using a Closure

Brian Patterson
Brian Patterson
19,588 Points
Posted by Brian Patterson
Brian Patterson
19,588 Points

func downloadJSONFromURL(completion:([String:AnyObject]?)->())

What does the above statement mean? Is it any object because there are different types in the dictionary so is there the String in the statement? Does this mean that the data from the JSON is gathered and then passed to the function to execute?

Lukas Smith
Lukas Smith
4,026 Points
Lukas Smith
Lukas Smith
4,026 Points

in JSON can be any object so after this U must use what data U need after downloaded.

1 Answer

Brian Patterson
Brian Patterson
19,588 Points
Brian Patterson
Brian Patterson
19,588 Points

So could the completion have been ([AnyObject]?)->()). ?