#17979: Reimplementation of IntegerListsLex
-------------------------------------+-------------------------------------
       Reporter:  aschilling         |        Owner:
           Type:  defect             |       Status:  needs_work
       Priority:  blocker            |    Milestone:  sage-6.6
      Component:  combinatorics      |   Resolution:
       Keywords:  days64             |    Merged in:
        Authors:  Bryan Gillespie,   |    Reviewers:  Nathann Cohen, Jeroen
  Anne Schilling, Nicolas M. Thiery  |  Demeyer
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  public/ticket/17979                |  49dd343182197e2707cf30d5fa118bafede16769
   Dependencies:                     |     Stopgaps:
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Comment (by jdemeyer):

 Replying to [comment:203 nthiery]:
 > Replying to [comment:196 jdemeyer]:
 > > Please add this somewhere in `__init__`:
 > > {{{
 > > if min_length < 0:
 > >     min_length = 0
 > > }}}
 >
 > I am not sure whether I prefer this, or barking, but that's fine. Done,
 together with further typechecks.
 Well, I also prefer `raise ValueError(...)` in this case, but some
 partitions code really sends a negative value for `min_length` to
 `IntegerListsLex`.

--
Ticket URL: <http://trac.sagemath.org/ticket/17979#comment:211>
Sage <http://www.sagemath.org>
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