Memoize

Simplistic memoization using instance variables.

Installation

gem install

Usage

require 'memoize'

class Obj
  include Memoize

  # on a separate line, after the method definition
  def foo
    # expensive operation
  end
  memoize :foo

  # on one line, before the method definition
  memoize def bar
    # expensive operation
  end
end