Which also implies performance benefits over Ruby. I think another way to view it is Go with Ruby syntax (although Go has its own runtime overhead). Their intro

Which also implies performance benefits over Ruby. I think another way to view it is Go with Ruby syntax (although Go has its own runtime overhead). Their introduction document [1] is a pretty concise overview. I think it's an interesting project. But not being a Ruby focused coder these days, I can't see myself choosing this over other compiled languages at this point. [1] https://github.com/manastech/crystal/wiki/Introduction https://github.com/manastech/crystal/wiki/Introduction