#17142: Return type of some poset functions
-------------------------------------+-------------------------------------
       Reporter:  jmantysalo         |        Owner:
           Type:  defect             |       Status:  new
       Priority:  major              |    Milestone:  sage-wishlist
      Component:  combinatorics      |   Resolution:
       Keywords:                     |    Merged in:
        Authors:                     |    Reviewers:
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/jmantysalo/return_type_of_some_poset_functions|  
577b688a805235e5c89b13db8e94d6e642dbb675
   Dependencies:                     |     Stopgaps:
-------------------------------------+-------------------------------------
Changes (by ncohen):

 * commit:   => 577b688a805235e5c89b13db8e94d6e642dbb675


Comment:

 Yo !

 It looks good but instead of
 {{{
 if A:
   return C1(<long things>)
 if B:
   return C2(<long things>)
 }}}
 You can do
 {{{
 if A:
    constructor = C1
 elif B:
    constructor = C2
 return constructor(<long things>)
 }}}

 Nathann
 ----
 New commits:
 
||[http://git.sagemath.org/sage.git/commit/?id=577b688a805235e5c89b13db8e94d6e642dbb675
 577b688]||{{{Make relabeling a lattice to return lattice, not poset.}}}||

--
Ticket URL: <http://trac.sagemath.org/ticket/17142#comment:3>
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