斯金格斯接口仅与golang中的值接收器一起使用吗？

All:

Just one quick question:

In Tour of Go tutorial

https://tour.golang.org/methods/18

I tried to implement that String() method as

func (ip *IPAddr) String() string {
    return fmt.Sprintf("%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3])
}

I used a pointer receiver but when it does not work in main()

for n, a := range addrs {
    fmt.Printf("%v: %v
", n, a)
}

still show [127, 0, 0, 1]

It only works when I change it to value receiver like:

func (ip IPAddr) String() string {
    return fmt.Sprintf("%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3])
}

Does it mean fmt only looking for value receiver version of String() or did I miss something for my implementation?

Thanks

</div>

Does Stringers interface only work with value receiver in golang ?

No.