TypeError in typeassert, expected

[quote=“Tigerbyte, post:9, topic:133021”]

Closest candidates are:
  Son(::Any, ::Any)
   @ Main REPL[23]:1

That’s what keeps getting overlooked: the argument names aren’t useful to you, knowing how…
Correct, they are not useful to you — I am saying that I think they would be useful to non-gurus
who are looking for every scrap of info they can find.

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