# File lib/facets/core/hash/variablize_keys.rb, line 23 def variablize_keys!( of_class=nil ) raise ArgumentError, "Parameter must be a class" unless of_class.kind_of?(Class) if of_class if of_class self.each_key do |k| if k.respond_to?(:to_s) and k.class == of_class k = k.to_s nk = k[0,1] != '@' ? k : "@#{k}" self[nk]=self.delete(k) end end else self.each_key do |k| if k.respond_to?(:to_s) k = k.to_s nk = k[0,1] != '@' ? k : "@#{k}" self[nk]=self.delete(k) end end end self end