HypeScript: Simplified TypeScript type system in TypeScript's own type system
“I'm not about to start using it for real projects, it's really just a thought experiment about how nice JavaScript could be with an alternative syntax.”<p>- jashkenas 2009<p><a href="https://news.ycombinator.com/item?id=1014225" rel="nofollow">https://news.ycombinator.com/item?id=1014225</a>