# File /home/cepheus/projects/prep/log4r-1.0.0/src/log4r/outputter.rb, line 136 def only_at(*levels) raise ArgumentError, "Gimme some levels!", caller if levels.empty? raise ArgumentError, "Can't log only_at ALL", caller if levels.include? ALL levels.each {|level| Log4rTools.validate_level(level)} @level = levels.sort.first OutputterFactory.create_methods self, levels end