prime_cache

# File activesupport/lib/active_support/memoizable.rb, line 39
      def prime_cache(*syms)
        syms.each do |sym|
          methods.each do |m|
            if m.to_s =~ /^_unmemoized_(#{sym})/
              if method(m).arity == 0
                __send__($1)
              else
                ivar = ActiveSupport::Memoizable.memoized_ivar_for($1)
                instance_variable_set(ivar, {})
              end
            end
          end
        end
      end