After thinking more about it, I start to feel that maybe using embedded
structs is generally a bad idea with dealing with json? Is the correct
solution here to use explicit fields?
BTW, happy New Year everyone.
On Tuesday, December 31, 2019 at 6:21:07 PM UTC+8, Glen Huang wrote:
>
> I want to unmarshal a struct that contains embedded structs:
>
> type Parent struct {
> Child
> P int
> }
>
>
> type Child struct {
> Grandchild
> C int
> }
>
>
> type Grandchild struct {
> G int
> }
>
> The problem is that Grandchild defines its own UnmarshalJSON method, and
> that means Parent inherits it and breaks json.Unmarshal.
>
> I wonder if it's possible to correctly unmarshal Parent without overriding
> UnmarshalJSON for every member in the embedding chain? It's correctly the
> only way I know that can fix the issue, but it's very cumbersome, and there
> are cases where I only have control over Parent, but not Child and
> Grandchild,
>
> Thanks.
>
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