#16467: Unhiding in a fully hidden Doubly-Linked List
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Reporter: foosterhof | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.3
Component: combinatorics | Resolution:
Keywords: doubly linked list unhide | Merged in:
empty | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | Stopgaps:
Dependencies: |
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Description changed by foosterhof:
Old description:
> An error occurs when in a fully hidden Doubly-Linked List an element is
> unhidden. All elements that come after it will also be unhidden.
>
> {{{
> l = sage.combinat.misc.DoublyLinkedList(xrange(5))
> l.hide(0)
> l.hide(1)
> l.hide(2)
> l.hide(3)
> l.hide(4)
> print l
> l.unhide(1)
> print l
> l.hide(1)
> print l
> }}}
New description:
An error occurs when in a fully hidden Doubly-Linked List an element is
unhidden. All elements that come after it will also be unhidden.
{{{
sage: l = sage.combinat.misc.DoublyLinkedList(xrange(5))
sage: l.hide(0)
sage: l.hide(1)
sage: l.hide(2)
sage: l.hide(3)
sage: l.hide(4)
sage: print l
Doubly linked list of xrange(5): []
sage: l.unhide(1)
sage: print l
Doubly linked list of xrange(5): [1, 2, 3, 4]
sage: l.hide(1)
sage: print l
Doubly linked list of xrange(5): [2, 3, 4]
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/16467#comment:1>
Sage <http://www.sagemath.org>
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