Exactly if it's of interest to hackers, and the best way to determine that is by posting it and seeing how it fares. If it's not of interest, then it'll sink into obscurity, and no harm will have been done.
At one point the way to do that was to post it to reddit. A bunch of things which are not what HN wants to cultivate rose to the top, and HN's core material sank into obscurity.