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

import org.jetbrains.kotlinx.dataframe.*
import org.jetbrains.kotlinx.dataframe.annotations.*
import org.jetbrains.kotlinx.dataframe.api.*
import org.jetbrains.kotlinx.dataframe.io.*

fun box(): String {
    val df = dataFrameOf("a" to columnOf(42)).rename { a }.into { "test" }
    df.test
    return "OK"
}