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my ($price, $floor) = get_price_floor() || 0;

sub get_price_floor {
  return (10, 8);
}

my ($price, $floor) = (get_price_floor() || 0);

my ($price, $floor);
(($price, $floor) = get_price_floor()) ||
    (($price, $floor) = ( 0, 0));