I’m working on a library to help get the “real” client IP from HTTP
requests:
https://github.com/realclientip/realclientip-go
https://pkg.go.dev/github.com/realclientip/realclientip-go
Right now the “strategies” are like:
type Strategy func(headers http.Header, remoteAddr string) string
...
clientIPStrategy, err :=
realclientip.RightmostTrustedCountStrategy("X-Forwarded-For", 1)
...
clientIP := clientIPStrategy(req.Header, req.RemoteAddr)
So, functions matching a signature are created that process the input.
But I keep wondering: Should I be returning types (structs) adhering to an
interface instead?
I’m starting to think I should, but I can’t think of what difference it
would make.
Any feedback would be appreciated.
Adam Pritchard
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