Confusing Take error in REPL

[Alex Craik]

In the online REPL, this code produces an error that just looks like nonsense.

3↑2‿2⥊↕4
×: Arguments must be numbers

CBQN produces this output:

   3↑2‿2⥊↕4
┌─     
╵ 0 1  
  2 3  
  0 0  
      ┘

[Marshall Lochbaum]

I had an error in the fast-path code for Take with an atom on the left. You can see this because ⟨3⟩↑2‿2⥊↕4 works and there should never be a difference between n↑ and ⟨n⟩↑. Take is such a difficult primitive…