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Re: Re: Re: Function and object

  • To: mathgroup at smc.vnet.net
  • Subject: [mg106812] Re: [mg106765] Re: [mg106755] Re: [mg106701] Function and object
  • From: Leonid Shifrin <lshifr at gmail.com>
  • Date: Sun, 24 Jan 2010 05:39:55 -0500 (EST)
  • References: <21622849.1264068058488.JavaMail.root@n11>

Hi Kurt,

If shadowing really becomes a problem for you, there are a couple of tools
available to make your life easier.

There is a package Unshadow` written by Ulrich Jentschura,
and also AntiShadow by David Wagner. Both can be found in  and downloaded
from Wolfram Library Archive - AntiShadow not in .m file but inside a pdf
article of Wagner - which is by the way an excellent read by itself. I also
wrote a couple of packages devoted to package development, such as
PackageManipulations` and PackageSymbolsDependencies`, which can be
downloaded from my website <http://www.mathprogramming-intro.org/>
(additional resources section). In particular, PackageManipulations`
contains a function PackageReload which has an option to reload a given
package resolving all shadowing problems in its favor (removing all
conflicting definitions present in other packages).

There may be also other tools that I am not aware of, of course.

Hope this helps.

Regards,
Leonid




On Sat, Jan 23, 2010 at 4:30 AM, Canopus56 <canopus56 at yahoo.com> wrote:

> > Stephen Wolfram also followed the practice of almost always using longer
> > descriptive names. ... Using longer descriptive names also reduces the
> > chances of conflict with other names - WRI names or other package names.
>
> Thanks to all for the many great replies in this thread.  Name conflicts
> really seem to be a common problem with several of the Mathematica archive
> packages that I've tried.   Sometype of naming convention practice seems
> important. E.g. - the last one I tried was a package on importing triple
> variables for plotting:
>
> -----------
> Import["ListToArray.m"]
>
> ListToArray::shdw: ListToArrayappears in multiple contexts
> {ListToArray`,Global`} definitions in context 'ListToArray' may shadow or be
> shadowed by other definitions. -----------
>
> For VBA and javascript, I usually just append my initials for publically
> exposed packages to prevent conflicts.
>
> Thanks, Kurt
>
>


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