guide/example/example-poly-15.kt

// This file was automatically generated from polymorphism.md by Knit tool. Do not edit.
package example.examplePoly15

import kotlinx.serialization.*
import kotlinx.serialization.json.*

import kotlinx.serialization.modules.*

val module = SerializersModule {
    polymorphic(Any::class) {
        subclass(OwnedProject::class)
    }
}

val format = Json { serializersModule = module }

interface Project {
    val name: String
}

@Serializable
@SerialName("owned")
class OwnedProject(override val name: String, val owner: String) : Project

@Serializable
class Data(
    @Polymorphic // the code does not compile without it 
    val project: Any 
)

fun main() {
    val data = Data(OwnedProject("kotlinx.coroutines", "kotlin"))
    println(format.encodeToString(data))
}