#17958: implement declare_var, deprecate (None)var
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Reporter: rws | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.6
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by nbruin):
Replying to [comment:32 kcrisman]:
> Well, of course another reason is that in doctests it can be annoying to
do
> {{{
> sage: var('a')
> a
> }}}
> while
> {{{
> sage: a=var('a')
> sage:
> }}}
> seems cleaner. Maybe it's not all due to confusion.
I'm not quite clear whether you mean:
- side-effectful routines should NOT return a value (quite standard) and
should NOT print something.
- side-effectful routines are unclean anyway and it's no bother to type
`a=var('a')`.
--
Ticket URL: <http://trac.sagemath.org/ticket/17958#comment:33>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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