Yeah, you're right: had I not written the code myself, it would not have been clear to me what that special line did or why i+3 without documentation. Your prop

Yeah, you're right: had I not written the code myself, it would not have been clear to me what that special line did or why i+3 without documentation. Your proposed comment describes it nicely; I've added it verbatim: https://github.com/naftaliharris/lazysort/commit/a56f30adef716f3076855f915abba06bb2cdb64c https://github.com/naftaliharris/lazysort/commit/a56f30adef7...