Sure, thanks for your point. Why do you think we should use intersection instead?
If we will use intersection, then will be possible situation like this:
xx.set('a','b');xx.set('c','b');xx.getKey('b');// returns c
It is not correct
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Sure, thanks for your point. Why do you think we should use intersection instead?
If we will use intersection, then will be possible situation like this:
It is not correct