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kotlinlang

List doesn't have Companion object.
What is original Kotlin code?

```
fun getItems() = Promise({ resolve : (Items) -&gt; Unit, _  -&gt;
    resolve(Items(JSON.parse(cdItems)))
})
```

If I try to parse to an array it fails too it can't find the Companion object. I feel like I'm missing whatever part gives me the companion?

```
val nums : Array&lt;Int&gt; = JSON.parse("[1,2,3,4]")
```

this is also enough to cause this missing companion object error

Yes, since `list` is generic and doesn’t have companion object, serializer for it must be specified explicitly (<https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/runtime_usage.md#obtaining-serializers>)

In your case: ```val nums: List&lt;Int&gt; = JSON.parse(ArrayListSerializer(IntSerializer), "[1,2,3,4]")```