Juerd <[EMAIL PROTECTED]> wrote:
> := is the thing that implements subroutine arguments. Ask yourself the
> same question with:
>
> sub another_routine ($rv) {
> ...
> }
> another_routine(some_routine());
>
> I'd expect $rv to be an alias to a copy of $foo's value, 42.
Really? Because the default parameter binding is constant reference,
last I checked.
I actually like that answer. It means that you can bind the return
value, but you can't mutate it, unless the function 'is rw'. (And
perhaps you could mark it as 'is copy' and 'is ref', too...)
--
Brent 'Dax' Royal-Gordon <[EMAIL PROTECTED]>
Perl and Parrot hacker
