From: Robert Feldt <feldt@...>
Date: 2003-09-16T03:22:32+09:00
Subject: Re: performance and style advice requested

Robert Feldt <feldt@ce.chalmers.se> skrev den Tue, 16 Sep 2003 03:14:05 +0900:

> @facts = [1]
> def fact(n)
> @facts[n] ||= (@facts.last..n).inject(1) {|f, i| @facts[i] = i * f}
> end
>
Oops, it should be

@facts = [1]
def fact(n)
  @facts[n] ||= (@facts.length..n).inject(@facts.last) {|f, i| @facts[i] = i * f}
end

/R