Toby,
All these attributes to which I want to apply this trigger share the same
trait, so there's a logical association between the two. Is there a way I
can utilise this, so I don't have to define 'trigger => ....' for every
attribute which uses this trait, i.e. have a trigger built into an
attribute trait, if that makes sense?
Well, I once put together an attribute trait that creates default subs
(the discussion of which took place on this very list[1]), so I don't
see any reason you couldn't do the same with triggers. Of course, then
the trick is, is adding a trait to every attribute any better than
adding a trigger to every attribute? Perhaps you could get around that
by doing something to the metaclass, or perhaps your attributes
_already_ all have a trait that you can piggyback on (I wasn't quite
clear on that part).
Anyway, I hope that discussion has something useful in it, particularly
what I ended up with for my final solution.[2] I've used that pattern a
few times over the past few years.
-- Buddy
[1] https://www.mail-archive.com/moose@perl.org/msg02318.html
[2] https://www.mail-archive.com/moose@perl.org/msg02341.html
