#13592: padics should not be iterable
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Reporter: saraedum | Owner: roed
Type: enhancement | Status: new
Priority: trivial | Milestone: sage-5.5
Component: padics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Julian Rueth | Merged in:
Dependencies: | Stopgaps:
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Description changed by saraedum:
Old description:
> Currently, one can iterate over a padic element. So the following code
> runs forever:
> {{{
> sage: for c in Qp(3).zero():
> ... pass
> }}}
>
> This causes some trouble, see #13302 and I think that padics should not
> return iterators at all.
>
> What should the iterator for Qp(3).zero() be — should it be infinite or
> empty? Should the iterator for Zp(3)(3) and Qp(3)(3) iterate over [0,1]
> or over [1]?
>
> I believe that if one wants to iterate over the terms, then one should
> have to call .list() or similar explicitly.
New description:
Currently, one can iterate over a padic element. So the following code
runs forever:
{{{
sage: for c in Qp(3).zero():
... pass
}}}
This causes some trouble, see #13302 and I think that padics should not
return iterators at all.
What should the iterator for Qp(3).zero() be — should it be infinite or
empty? Should the iterator for Zp(3)(3) and Qp(3)(3) iterate over
{{{[0,1]}}} or over {{{[1]}}}?
I believe that if one wants to iterate over the terms, then one should
have to call .list() or similar explicitly.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13592#comment:1>
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