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Sharla Kew
15,356 PointsWhy is it unsafe to use super() with immutable types?
Kenneth mentions this about the 3 minute mark in the Subclassing Built-ins video.
1 Answer

David Lin
35,864 PointsI think it has to do with the fact that using super() can mutate any internal state of the object, which of course is undesirable when your sub-classed object is presumed to be immutable.
Rui Xu
11,245 PointsRui Xu
11,245 PointsHi David, would you please elaborate on "using super() can mutate any internal state of the object", I still don't quite get it. Thanks in advance.