frameColumnsInternal
internal inline fun ColumnsResolver<*>.frameColumnsInternal(crossinline filter: (FrameColumn<*>) -> Boolean): TransformableColumnSet<AnyFrame>
Returns a TransformableColumnSet containing the frame columns that satisfy the given filter.
Return
A TransformableColumnSet containing the frame columns that satisfy the filter.
Parameters
filter
The filter function to apply on each frame column. Must accept a FrameColumn object and return a Boolean.