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1 point by Jesin 3861 days ago | link | parent

I think that's because on works like this:

  (for index 0 (- len.foo 1) ...)
Because the hash table you used didn't have any entries for 0 or 1, it gave nil.

  arc> (= a (table))
  #hash()
  arc> a!foo
  nil
  arc> (= a!foo 'bar)
  bar
  arc> a!foo
  bar
  arc> a.0
  nil