# File lib/facets/core/module/memoize.rb, line 26
  def memoize(*meths)
    @_MEMOIZE_CACHE ||= Hash.new
    meths.each do |meth|
      mc = @_MEMOIZE_CACHE[meth] = Hash.new
      old = instance_method(meth)
      new = proc do |*args|
        if mc.has_key? args
          mc[args]
        else
          mc[args] = old.bind(self).call(*args)
        end
      end
      send(:define_method, meth, &new)
    end
  end