init research

dataframe/plugins/kotlin-dataframe/testData/box/toDataFrame_private_properties.kt

@@ -0,0 +1,20 @@
+import org.jetbrains.kotlinx.dataframe.*
+import org.jetbrains.kotlinx.dataframe.annotations.*
+import org.jetbrains.kotlinx.dataframe.api.*
+import org.jetbrains.kotlinx.dataframe.io.*
+
+data class Name(val firstName: String, val lastName: String)
+
+data class Score(val subject: String, val value: Int)
+
+data class Student(private val name: Name, private val age: Int, val scores: List<Score>)
+
+fun box(): String {
+    val students = listOf(
+        Student(Name("Alice", "Cooper"), 15, listOf(Score("math", 4), Score("biology", 3))),
+        Student(Name("Bob", "Marley"), 20, listOf(Score("music", 5))),
+    ).toDataFrame()
+
+    students.compareSchemas(strict = true)
+    return "OK"
+}