[go-nuts] Embedding any (empty interface) in a struct in Go

[sick...@gmail.com]

Consider a scenario where you want to embed an error within any type of 
variable.

This can be achieved by embedding any in a struct and it seems to be a 
valid syntax in Go 1.9.
    type WithError struct { 
        any 
        err error
    } 
    func main() { 
        a := WithError{ any: 5, err: nil, } 
        fmt.Printf("%+v\n", a)
    } 

Does this violate any community best practices? 
Is there an alternative pattern that can achieve a similar result?

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