# File lib/mutter/mutterer.rb, line 46 def clear opt = :all case opt when :user then @styles = {} when :styles then @styles, @defaults = {}, {} when :active then @active = [] when :all then @active, @styles, @defaults = [], {}, {} when :default, :defaults then @defaults = {} else raise ArgumentError, "[:user, :default, :active, :all] only" end self end