Is some thing in the empty list (null) a number?

  • A: Yes: Got to be good-looking 'cause it's so hard to see.
  • B: No: There is nothing in the empty list that could be a number.
  • C: Maybe: Depends on the implementation.
  • D: Error: null is an improper argument to every.
  • E: WTF: I thought this was CS, not Philosophy.


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