On Tuesday, 4 April 2017 13:54:34 UTC+3, dc0d wrote:
>
> Target: Assuming we want to deserialize some JSON dynamically and we want
> to unmarshal some fields using specific unmarshaling code (a
> certain UnmarshalJSON). The problem is using something like
> map[string]interface{} there is no way to specify that.
>
> Thought Experiment: I like to have something like:
>
> ourUnmarshaler.AddField("name", func() json.Unmarshaler /* default field
> creator for unmarshaling */, /* other options like omitempty */)
>
> or perhaps possibility of using:
>
> map[string]struct{
> Name string
> Constructor func() json.Unmarshaler
> OmitEmpty bool
> String bool
> // ...
> }
>
> That would be the ideal thing. But is it possible to do so with current
> builtin tools? Or some package?
>
https://play.golang.org/p/EP2F-__URO
If you need the field names to construct the data, do a separate pass over
the data.
>
> Other notes:
> I've found gabs <https://github.com/Jeffail/gabs> but it does not what I
> want. Some of my specific cases are big int64 values which should
> serialized as string because they get converted to ugly float things and
> some custom parsing for specific strings.
>
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