core/org.jetbrains.kotlinx.dataframe.impl.columns.missing/MissingColumnGroup/getColumnOrNull

getColumnOrNull

open override fun getColumnOrNull(name: String): MissingColumnGroup<Any?>

open override fun getColumnOrNull(index: Int): MissingColumnGroup<Any?>

open override fun <R> getColumnOrNull(column: ColumnReference<R>): DataColumn<R>

open override fun <R> getColumnOrNull(column: KProperty<R>): DataColumn<R>

open override fun getColumnOrNull(path: ColumnPath): MissingColumnGroup<Any?>

open override fun <R> getColumnOrNull(column: ColumnSelector<T, R>): DataColumn<R>