filling in (…rest) parameters with an array?

Question

Some as3 functions handle overloading by allowing for an arbitrary number of parameters using the convention:

public function doSomething( ... rest ):void;
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Answer 1

Check out Function#Apply(). It lets you pass the parameters as an array.

doSomething.apply(contextObj, args);

Answer 2

Here is a very good tip to pass the rest parameter between functions.