class Byebug::Setting

def help_all
  output = "  List of settings supported in byebug:\n  --\n"
  width = settings.keys.max_by(&:size).size
  settings.values.each do |sett|
    output << format("  %-#{width}s -- %s\n", sett.to_sym, sett.banner)
  end
  output + "\n"
end