DB<138> sub sort::hours { $a->[0] <=> $b->[0] }

  DB<139> $sort = 'hours';
 => "hours"

  DB<140> *sort::this=\&{"sort::$sort"}
 => *sort::this

  DB<141> sort sort::this @records
 => (
  [5, "foo123", "world domination"],
  [7, "bar666", "have a beer"],
  [10, "xyz232", "secret project"],
)