Seg, 2008-06-09 às 23:36 +0100, Ovid escreveu: > --- Jonathan Worthington <[EMAIL PROTECTED]> wrote: > > By default, block parameters (including $_) are readonly, > I hope that is a deep readonly? In other words, if $_.position returns > an array reference, can I mutate a value in that reference and the > state of $_ is thereby changed?
Even having said that in the other mail in this thread, I'd like to stress the fact that *it's not possible to avoid side-effects of a method call*, if that method call have a side effect (even if a "inside effect"). And again, some neat things will only be possible because of that. daniel