class Byebug::ShowCommand

def help(args)
  # specific subcommand help
  if args[1]
    subcmd = find(Subcommands, args[1])
    return "Invalid \"show\" subcommand \"#{args[1]}\"." unless subcmd
    str = subcmd.short_help + '.'
    str += "\n" + subcmd.long_help if subcmd.long_help
    return str
  end
  # general help
  s = "
    Generic command for showing things about byebug.
    --
    List of show subcommands:
    --
  "
  for subcmd in Subcommands do
    s += "show #{subcmd.name} -- #{subcmd.short_help}\n"
  end
  return s
end