#9968: Stop Dancing Links polluting the global namespace
------------------------------+---------------------------------------------
Reporter: davidloeffler | Owner: sage-combinat
Type: defect | Status: new
Priority: trivial | Milestone: sage-4.6.1
Component: combinatorics | Keywords: dancing links
Author: David Loeffler | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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The Dancing Links class defines a bunch of random integer variables (LEFT,
RIGHT, UP, DOWN, ROOTNODE) and exports these to the global namespace. This
is kind of sloppy and unprofessional:
{{{
----------------------------------------------------------------------
| Sage Version 4.6.alpha1, Release Date: 2010-09-18 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
**********************************************************************
* *
* Warning: this is a prerelease version, and it may be unstable. *
* *
**********************************************************************
Loading Sage library. Current Mercurial branch is: hacking
sage: UP
2
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9968>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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