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

colsInternal

internal fun SingleColumn<DataRow<*>>.colsInternal(refs: Iterable<ColumnReference<*>>): ColumnSet<*>

internal fun ColumnsResolver<*>.colsInternal(indices: IntArray): TransformableColumnSet<*>

internal fun ColumnsResolver<*>.colsInternal(range: IntRange): TransformableColumnSet<*>

internal inline fun ColumnsResolver<*>.colsInternal(crossinline predicate: ColumnFilter<*>): TransformableColumnSet<*>

If this ColumnsResolver is a SingleColumn, it returns a new ColumnSet containing the columns inside of this SingleColumn that match the given predicate.

Else, it returns a new ColumnSet containing all columns in this ColumnsResolver that match the given predicate.