Re: var watcher expense

[Jochen Stenzel]

> They are implemented with perl's MAGIC.  My experience is that MAGIC has
> a very small performance impact.  Have you used TIEXXX?  Var watchers
> are faster than TIE.

Ah, that sounds good. By the way, is this special magic the reason of the
restriction that there can be only one var watcher for a certain variable (while it
is no problem to have a number of idle watchers and so on)?

                        Jochen