class Byebug::ShowCommand

def description
  prettify <<-EOD
    show <setting> <value>
    Generic command for showing byebug settings. You can change them with
    the "set" command.
  EOD
end

def execute
  key = @match[:setting]
  return puts(self.class.help) if key.nil?
  setting = Setting.find(key)
  return errmsg(pr('show.errors.unknown_setting', key: key)) unless setting
  puts Setting.settings[setting.to_sym]
end

def help(subcmd = nil)
  Setting.help('show', subcmd)
end

def names
  %w(show)
end

def regexp
  /^\s* show (?:\s+(?<setting>\w+))? \s*$/x
end