I should add "researcher of ill repute" to my CVhttps://twitter.com/stephenjudkins/status/1004818442447290368 …
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I agree – in this case mutation seems to have contributed to the confusion, with the type _changing_ when an element is added to an empty list, rather than seeing that the result is a _new_ list with a different type.
I kinda like the idea of the type changing when you mutate a list
I though "blub paradox"... Not just misunderstanding?
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