RosettaCodeData/Task/Sort-stability/Sidef/sort-stability.sidef

var table = [
  <UK  London>,
  <US  New\ York>,
  <US  Birmingham>,
  <UK  Birmingham>,
];

table.sort {|a,b| a[0] <=> b[0]}.each { |col|
    say "#{col[0]} #{col[1]}"
}