FYI, that does detect the simple case of l[0] = l, but not more complicated
circular cases like l[1] = l[1:]
On Tuesday, November 10, 2020 at 2:38:26 AM UTC-5 axel.wa...@googlemail.com
wrote:
> 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....@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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