If the slice is empty, it doesn't reference anything.
If it is not empty, &x[0] can be used to identify the slice (potentially
also using len/cap, if it's interesting).
On Tue, Nov 10, 2020 at 4:11 AM arpad ryszka <arpad.rys...@gmail.com> wrote:
> Hi,
>
> is there a way to detect the cyclic reference in the following example
> somehow? Either via reflection or by other means? My understanding is that
> slices cannot be compared with == (unless to nil), or used as keys in maps.
> Is there a different way?
>
> l := []interface{}{"foo"}
> l[0] = l
> fmt.Println(l)
>
> or here it is as a playground link: https://play.golang.org/p/T0qZlF8m-vi
>
> Cheers,
> Arpad
>
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