The article seems to be missing the key example that cements the concept in your mind.
->
seems to be a TODO place holder. I would expect that the example would be: a = some_object; change a member field in some_object; notice that a gets changed also. The example is really needed, because using only constants it's a distinction without a difference.
->
seems to be a TODO place holder. I would expect that the example would be: a = some_object; change a member field in some_object; notice that a gets changed also. The example is really needed, because using only constants it's a distinction without a difference.