class Faker::Json

def add_hash(key_array, hash, width, options)
  string_to_eval = 'hash'
  key_array.length.times do |index|
    string_to_eval << "['#{key_array[index]}']"
  end
  string_to_eval << " = #{build_shallow_hash(width, options)}"
  eval(string_to_eval)
  hash
end