Excerpts from Karen Etheridge's message of Wed Jan 13 13:31:53 -0500 2010: > One approach would be to subclass Moose::Meta::Attribute (or better, > install a trait via a role - as described in > Moose::Cookbook::Meta::Recipe1-5) which modified the behaviour of > get_value() and set_value().
This won't work -- the generated accessors only call set_value with $_[1], not with the rest of @_. You could work around that by always setting with an arrayref instead of an array, but then you have exactly reimplemented auto_deref. hdp.
