core/org.jetbrains.kotlinx.dataframe.api/getColumnGroupOrNull

getColumnGroupOrNull

fun <T> ColumnsContainer<T>.getColumnGroupOrNull(name: String): ColumnGroup<*>?

fun <T> ColumnsContainer<T>.~~getColumnGroupOrNull~~(column: KProperty<*>): ColumnGroup<*>?

Deprecated

It's recommended to migrate to the String or Extension Properties Access API https://kotlin.github.io/dataframe/apilevels.html