And it's stolen from different sources and hated in the Go-community ........

https://www.reddit.com/r/golang/comments/57w79c/why_you_real...

https://www.reddit.com/r/golang/comments/57tmp1/why_you_shou...

https://www.reddit.com/r/golang/comments/6hmlod/githubcomkat...

https://github.com/julienschmidt/httprouter/issues/148

etc. etc. etc. .................