gistfile1.txt

def createCached meth
    cache = {}
    Proc.new do |*args|
        puts args
        puts cache
        if cached = cache[args]
            cached
        else
            cache[args] = meth.call(*args)
        end
    end
end

def fib n
    return 1 if n < 2
    fib(n-1)+fib(n-2)
end

self.send(:define_singleton_method,:fib,createCached(method(:fib)))
(0..500).map { |y| method(:fib).call(y) }