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They are likely aware of it, as spf13 works on golang at Google. :)

Yeah I realize that. It is just surprising is all. It is a very nice to use interface. Getting an equivalent in stdlib would be great.

Awesome find, thanks!

Just a random gopher sharing their level of surprise. I didn't know about the spf13 project, but I instantly thought of https://godoc.org/golang.org/x/tools/godoc/vfs

Looks like they mention that package in their proposal.