> > my (%hash,@array);
> > &sub_test(\%hash,[EMAIL PROTECTED]);
>
> & has special meaning so it should be dropped when not needing
> particular special behavior.
I can't understand for this,can u give me some examples?
> > my %hash=%$hash_ref;
> > my @[EMAIL PROTECTED];
>
> This isn't needed actually and it only makes unnecessary overhead as
> keys/values are copied, so you immediately lost benefit by passing by
> reference.
>
> It's better to access them directly like,
> $hash_ref->{key}
> $array_ref->[0]
>
> > do something...
> > }
This point is great,thank u.
--
Jeff Pan
[EMAIL PROTECTED]
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