Copilot without -x does this relatively well. But it's a hands-on process. I can't just give it some source files and say "go". But it can easily make you 10x. I often spend more time tab-completing than writing.
It is extremely good once the code has been organised and an overall structure exists. But until then it can be a distraction.
I’m hopeful for -x version though.
Literally unusable.
I'm a fan of copilot - but no way in hell is it a 10x tool. It's probably 1.2x - which is a huge gain for such a cheap tool.
I've only played around with faux pilot and it seemed that it was mostly limited by my prompting skill.
Also, is copilot aware of anything outside of currently edited file?