Table = ->(cols, rows) {
  table {
    thead {
      tr { cols.each { th it } }
    }
    tbody {
      rows.each { |row|
        tr { row.each { td it } }
      }
    }
  }
}

-> {
  div {
    Table(
        ['Title',       'Location'],
        
      [ ['RailsWorld',  'Amsterdam'],
        ['Friendly.rb', 'Bucharest'],
        ['Euruko',      'Viana do Castelo'] ]
    )
  }
}