OK yeah that's a pretty good general principle. You think you only need one of these? Are you absolutely certain? You SURE? Wrong, you now need two. Or three.
OK yeah that's a pretty good general principle. You think you only need one of these? Are you absolutely certain? You SURE? Wrong, you now need two. Or three.
A singleton is more than just, "I only need one of these," it is more of a pattern of "I need there to be only one of these," which is subtly different and much more annoying.