From: nobu.nokada@...
Date: 2005-09-07T15:21:47+09:00
Subject: Re: memoize

Hi,

At Wed, 7 Sep 2005 14:41:28 +0900,
horndude77@gmail.com wrote in [ruby-talk:155156]:
> - Is there a way to do this without an eval to speed it up?
> - Make this work on the class level.

module Kernel
  def memoize(name)
    m = method(name)
    cache = {}
    (class << self; self; end).class_eval do
      define_method(name) do |*args|
        cache[args] ||= m.call(*args)
      end
    end
  end
end

-- 
Nobu Nakada