From: Carlos <angus@...>
Date: 2001-12-23T10:50:54+09:00
Subject: [ruby-talk:29333] Re: a better way?

> I was writing a little code that cached a function value, and wound up
> with this:
> 
> 	result = @@save[self]
> 	return result if result
> 
> I don't see a way to do it in one line unless I'm willing to do the
> lookup twice. Am I missing something?

	result = @@save[self]  and return result
?
or
	if result = @@save[self] then return result; end
?

But the two lines seem clearer to me...