1 files changed, 36 insertions, 0 deletions
diff --git a/guide/example/example-json-26.kt b/guide/example/example-json-26.kt
new file mode 100644
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+++ b/guide/example/example-json-26.kt
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+// This file was automatically generated from json.md by Knit tool. Do not edit.
+package example.exampleJson26
+
+import kotlinx.serialization.*
+import kotlinx.serialization.json.*
+
+import kotlinx.serialization.builtins.*
+
+@Serializable
+abstract class Project {
+    abstract val name: String
+}
+
+@Serializable
+data class BasicProject(override val name: String): Project()
+
+
+@Serializable
+data class OwnedProject(override val name: String, val owner: String) : Project()
+
+object ProjectSerializer : JsonContentPolymorphicSerializer<Project>(Project::class) {
+    override fun selectDeserializer(element: JsonElement) = when {
+        "owner" in element.jsonObject -> OwnedProject.serializer()
+        else -> BasicProject.serializer()
+    }
+}
+
+fun main() {
+    val data = listOf(
+        OwnedProject("kotlinx.serialization", "kotlin"),
+        BasicProject("example")
+    )
+    val string = Json.encodeToString(ListSerializer(ProjectSerializer), data)
+    println(string)
+    println(Json.decodeFromString(ListSerializer(ProjectSerializer), string))
+}