ruby memoized

memoizer.rb

module RubyMemoized
  class Memoizer
    def initialize(content, method)
      @content = content
      @method = method
    end
    
    def call(*args, &block)
      return cache[[args, block]] if cache.has_key?(args, block])
      cache[[args, block]] = content.send(method, *args, &block)
    end
    
    def cache
      @cache ||= {}
    end
  end
  
  def self.included(klass)
    klass.extend(ClassMethods)
  end

  module ClassMethods
    def memoized
      @memoized = true
    end
    
    def unmemoized
      @memoized = false
    end
    
    def method_memoized(method)
    end
  end
end