Ruby/Development/SyncEnumerator

require "generator"
enumerator = SyncEnumerator.new(%w{Four seven}, %w{score years},
                                %w{and ago})
enumerator.each do |row|
  row.each { |word| puts word }
  puts "---"
end
enumerator = SyncEnumerator.new(%w{Four and}, %w{score seven years ago})
enumerator.each do |row|
  row.each { |word| puts word }
  puts "---"
end