On 9/1/05, Juerd <[EMAIL PROTECTED]> wrote:
> Ingo Blechschmidt skribis 2005-09-01 20:29 (+0200):
> > for ($arrayref,) {...}; # loop body executed only one time
>
> Yes: scalar in list context.
>
> > for ($arrayref) {...}; # loop body executed one or three times?
>
> Same thing: scalar in list context. So once.
>
> > for $arrayref {...}; # loop body executed one or three times?
>
> Same thing: scalar in list context. So once.
>
> Scalars only automatically dereference in *specific* contexts. An
> arrayref not used in Array context is still an arrayref, a hashref not
> used in Hash context is still a hashref.
I would probably say that scalars never automatically dereference.
It's lists and hashes that automatically dereference/enreference.
That is, everything is a scalar, really, but if you have an @ or a %
on the front of your variable, that means that you flatten yourself
into specific kinds of contexts.
Luke
