"R. Joseph Newton" wrote:
>
> Lance wrote:
>
> > If I hafta pass in refs from loop1 2 and 3 all the way down the line, So Be
> > It. It just makes my argument list a little unsightly, is all.
>
> You might want to re-examine this view. The process of passing by reference
> is not something to just resign yourself to. It is the key to powerful
> programming. As long as your code depends on external values, such as global
> variables, you will be limited in the scale of operations you can handle.
>
> I don't particularly enjoy the way Perl handles references. I prefer the C++
> feature which allows one to simply declare a parameter as a reference, and use
> it afterwards trrasnsparently--as if it was the original. Nevertheless, with
> a little efort, you can get the Perl reference paradigm down, and it does have
> an internal consistency, at least.
You can get the same sort of thing in perl if you use prototypes, for
example:
sub example (\@\%) {
my ( $array_ref, $hash_ref ) = @_;
# do something with @$array_ref and %$hash_ref
}
# using example converts arguments to references
example( @array, %hash );
perldoc perlsub
John
--
use Perl;
program
fulfillment
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