#19319: iterator over pairs on diagonals a la Cantor pairing
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       Reporter:  dkrenn             |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.9
      Component:  misc               |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Daniel Krenn       |    Reviewers:
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/dkrenn/product_cantor_pairing    |  70185c3a13f573cf1eacbec2eb2122082e6c375f
   Dependencies:                     |     Stopgaps:
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Comment (by dkrenn):

 Replying to [comment:17 cheuberg]:
 > A few comments on Daniel's code:
 > 1. Does not terminate if `A` is empty and `B` is infinite, thus I'd
 simply try to yield A[0], B[0] initially and then start `s` at `1`.
 > 2. `try:` `except:` block in `iter_as_list` can be removed

 Both changed.

--
Ticket URL: <http://trac.sagemath.org/ticket/19319#comment:19>
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