On Thu, Dec 23, 2010 at 8:51 AM, Jay Fields <j...@jayfields.com> wrote:
> Ken said:
> "That seems sucky. What about adding a priority parameter to your
> defmethod-analogue? The predicates are kept sorted by priority."
> I disagree. To use your terms, I think your solution is equally "sucky".

It most certainly is not. Unlike cond clauses, methods might be
scattered in different parts of a large code base; and the order in
which the files in that code base are compiled might end up making a
difference here. That really is ugly. The priority based version has
the nice property that its behavior is determined purely by the
contents of the defmethods; not their locations and, potentially, the
order in which files are compiled.

And of course my code added a couple of other nice features as well.

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