#16644: LinearCode.cardinality category breakage
-------------------------------------+-------------------------------------
       Reporter:  ppurka             |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.3
      Component:  coding theory      |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Travis Scrimshaw,  |    Reviewers:  Punarbasu
  Punarbasu Purkayastha              |  Purkayastha, Travis Scrimshaw
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  public/categories/new_parent_linear_codes-16644|  
60130279bc91553f0bb8418cebd0597506eb0978
   Dependencies:                     |     Stopgaps:
-------------------------------------+-------------------------------------
Changes (by {'newvalue': u'Travis Scrimshaw, Punarbasu Purkayastha', 
'oldvalue': ''}):

 * status:  needs_info => needs_review
 * reviewer:   => Punarbasu Purkayastha, Travis Scrimshaw
 * author:   => Travis Scrimshaw, Punarbasu Purkayastha


Comment:

 It comes from the category framework, although I believe it is there more
 for compatibility with old-style parents.

 I've made `LinearCode` into a facade parent (because I didn't want to deal
 with changing it over to have a proper element here...yes I'm being
 somewhat lazy), put it also in the category of `FiniteEnumeratedSets` (as
 such, we get `cardinality` for free), and made it so that it passes the
 `TestSuite`.

--
Ticket URL: <http://trac.sagemath.org/ticket/16644#comment:20>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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