#16727: IncidenceStructure.__contains__
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       Reporter:  ncohen             |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.3
      Component:  combinatorial      |   Resolution:
  designs                            |    Merged in:
       Keywords:                     |    Reviewers:
        Authors:  Nathann Cohen      |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:  public/16727       |  e7ef8c0e2b5f5ef36112428094faa8de2a32316c
   Dependencies:                     |     Stopgaps:
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Comment (by ncohen):

 > A degenerate input is a corner case: one-element hypergraphs and
 complete uniform hypergraphs are surely degenerate inputs. Such tests
 don't stress much of the implementation, as you can imagine.

 Dima, are you aware that the only thing we are testing here is whether an
 element belongs to a LIST ? Python does not care at all what the elements
 are, it is all pointers as far as it is concerned.

 > Test on, say, `ProjectiveGeometryDesign(3,1,GF(2))` as well.

 Add your commit.

 Nathann

--
Ticket URL: <http://trac.sagemath.org/ticket/16727#comment:8>
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