Optional class extensions

Avi Bryant avi.bryant at gmail.com
Sat Feb 5 12:50:53 UTC 2005


On Sat, 05 Feb 2005 12:25:41 +0100, Cees de Groot <cg at cdegroot.com> wrote:
> Something that *might* make life more usable: optional class extensions.
> 
> The idea is that for package P, you have class extension method categories
> named *?p... When loading code, a check is done whether the extended class
> exists, if not, the methods are silently skipped.

But what happens if you then save a new version of package P?  Those
extensions will disappear, unless you take care to keep their
definitions around, unloaded, and slip them back into any new version
you create...

Avi



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