add
Adds element to the MutableIntList and returns true.
Adds element to the MutableIntList at the given index, shifting over any elements at index and after, if any.
Throws
if index isn't between 0 and size, inclusive
Adds element to the MutableIntList and returns true.
Adds element to the MutableIntList at the given index, shifting over any elements at index and after, if any.
if index isn't between 0 and size, inclusive