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7292 :: Making a closure iterator out of a non-closure one

• d3zd3z (orginal) [2020-12-25T21:19:35+01:00] view original

  I have found myself doing something similar to this:

  let iter = iterator (): Item =
    for x in outerIterator(args):
      yield x
  Run

  followed by either storing iter in a data structure, or otherwise using it in a non for-loop construct.

  sequtils does contain an iterator items[T](xs: iterator (): T): T that goes in the other direction. I'm wondering if I'm missing something, or just having figured out the syntax to store my own custom iterator into a data structure to use explicitly.

  Thanks, David

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• Stefan_Salewski (orginal) [2020-12-25T22:18:07+01:00] view original

  May this thread help:

  https://forum.nim-lang.org/t/7020#44819

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