Your issue here is Any, which will likely never be Decodable. You’ll
need an actual type to contain the raw JSON. Hilariously, I have to wonder if
Argo’s JSON enum could be made Decodable, as it can represent every valid JSON
type typically contained in the Any returned by JSONSerialization. Yet another
reason why Swift needs a real JSON serialization.
Jon Shier
> On Jun 17, 2017, at 10:07 PM, Chris Anderson via swift-users
> <swift-users@swift.org> wrote:
>
> Say I have a JSON object such as:
>
> {
> "id": "4yq6txdpfadhbaqnwp3",
> "email": "john....@example.com <mailto:john....@example.com>",
> "name":"John Doe",
> "metadata": {
> "link_id": "linked-id",
> "buy_count": 4
> }
> }
>
> And with a struct of:
>
> struct User: Codable {
> var id: String
> var email: String
> var name: String
> }
>
> How can I decode the `metadata` field into a Dictionary?
>
> I’ve tried doing things such as, in my struct,
>
> var metadata: Dictionary
>
> or
>
> var metadata: [String: Any]
>
> But I get the error
>
> MyPlayground.playground:3:7: note: cannot automatically synthesize
> 'Encodable' because '<<error type>>' does not conform to 'Encodable'
> var metadata: Dictionary
>
> A meta or metadata field on many APIs (such as www.stripe.com
> <http://www.stripe.com/>) can contain whatever you want, and I still want to
> be able to process it on the Swift end. How can I store that meta data field
> into a Dictionary that I can parse apart manually after?
>
> Thanks!
>
> Chris Anderson
>
>
>
>
>
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