Vector2.applyFunc

Calls the given function on each element of this vector, and sets the values of the vector to the returns
The current index and its value is given as arguments of the function
Returns self for chaining

overload 1:
                        
Vector2:applyFunc(func)  
 Method Property Fluent Description Representation
func accepts a function that takes a Number and an Integer and will return a Number (Number, Integer) -> Number 
   
Return Value a Vector2 Vector2