#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 vbraun):
* Why not `SR.gen('x')` to create a new variable instead of `SR.symbol` /
`SR.var`? Also: currently broken, so would be nice to fix.
* To inject variables into the namespace, why not attach a method
`ex.inject_variables()` to symbolic expressions that injects the output of
`ex.variables()`.
At the end of the day, I don't think that the purity of functional
programming conventions is worth the pain of changing how `var` behaves.
Yes it does chafe against your OCD. But imagine you don't know Python and
just want to do some symbolic stuff. I can guarantee you that that user is
not going to appreciate your lesson in functional programming.
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Ticket URL: <http://trac.sagemath.org/ticket/17958#comment:31>
Sage <http://www.sagemath.org>
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