#6977: [with patch, needs work] Implement __len__ to add support for MuPAD 
objects
as Python containers
-------------------------+--------------------------------------------------
 Reporter:  nthiery      |       Owner:  nthiery          
     Type:  enhancement  |      Status:  assigned         
 Priority:  major        |   Milestone:  sage-4.1.2       
Component:  interfaces   |    Keywords:  MuPAD len        
 Reviewer:  Mike Hansen  |      Author:  Nicolas M. ThiƩry
   Merged:               |  
-------------------------+--------------------------------------------------

Comment(by nthiery):

 The updated version adds
  - The missing #optional flags, the missing '::' (Oops, thanks Minh & Mike
 for the review and spotting those)
  - Fixes the implementation of len (bigger Oops: with MuPAD-Combinat, l :=
 [1,2,3]; l::nops gives FAIL!!!!)
  - Add a comment about another failing test

 Now: should this be seen as a bug fix or enhancement ? I.e. go through the
 feature freeze for 4.1.2? It does not risk to break much anyway.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6977#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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