On Sat, Jun 9, 2012 at 9:04 PM, Orion Hickman
<irespondpromptlywhencontac...@gmail.com> wrote:
> This one threw me, hard. I do all my development with a long running
> process (as, I'm sure, most people do). Is there some way we can tweak
> the implementation to avoid this problem?

Unfortunately defonce semantics on defmulti is intentional.

Usually what I do as a workaround is clear the defmulti right before
defining it:

(def mymulti nil)
(defmulti mymulti type)

Ugly but preferable to the alternative.

I believe the motivation behind the current behaviour is to preserve
the method table upon reload; the unchanging dispatch function may
just be collateral damage. I haven't looked at the implementation of
defmulti, but it may be possible to have reloads change the dispatch
function without clearing the method table.

-Phil

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