Concept for Hash from table generator

table_hash.rb

class TableHash
  # creates a Hash from a table structure
  #
  #     TableHash[
  #        4,
  #        :key,     :a,   :b,   :c,
  #        'first',  10,   11,   12,
  #        'second', 20,   30,   40
  #     ]
  #
  #     =>
  #     {
  #         "first" => {
  #             :a => 10,
  #             :b => 11,
  #             :c => 12
  #         },
  #         "second" => {
  #             :a => 20,
  #             :b => 30,
  #             :c => 40
  #         }
  #     }
  #
  def self.initialize(*args)
    columns = args.shift
    symbols = args[0..(columns - 1)]
    rows = args[columns..-1]
    Hash[rows.each_slice(columns).map do |slice|
      [slice.first, Hash[symbols[1..-1].zip(slice[1..-1])]]
    end]
  end

  class << self
    alias :'[]' :initialize
  end
end