#18972: twographs and Seidel switching
-------------------------------------+-------------------------------------
       Reporter:  dimpase            |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.9
      Component:  graph theory       |   Resolution:
       Keywords:                     |    Merged in:
        Authors:                     |    Reviewers:  Nathann Cohen
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/dimpase/seidelsw                 |  a729b27245f217f98bde11e4fc13dd03cdce9c96
   Dependencies:  #18960, #18948,    |     Stopgaps:
  #18988, #18991, #18986, #19018,    |
  #19019                             |
-------------------------------------+-------------------------------------

Comment (by ncohen):

 > what is the guideline? 80 chars, less, more?

 The "official" rule, if I remember correctly, is to follow "yet another
 senseless" PEP. If I make no mistake, it is something like 80 characters
 for the code and 72 characters for the doc (no joke).

 In Sage it seems that we apply 80 characters everywhere, which is already
 rather boring to enforce.

 > Removing will cause a doctest failure, hopefully...

 Err, right...

 > How does one mix `**kwargs` and explicit keywords (which have to be used
 too, as I need
 > some control over this)?

 In the natural way:

 {{{
 sage: def a(hey=3,**kwargs):
 ....:     print hey, kwargs
 ....:
 sage: a(6)
 6 {}
 sage: a(hey=9,eeee=4)
 9 {'eeee': 4}
 }}}

 Nathann

--
Ticket URL: <http://trac.sagemath.org/ticket/18972#comment:135>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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