my $ro_itiv_hw = new Itiv::Hw;
# do any testing on $ro_itiv_hw
my ($ra_cols, $ra_hw) = $ro_itiv_hw->all_hw($dbh, $filter);
# now test return values

##</code><code>##

my $ro_itiv_hw = Itiv::Hw->new;

##</code><code>##

my ($ra_cols, $ra_hw) = Itiv::Hw->new->all_hw($dbh, $filter);