A row of summary data already remapped into view order.
An entry is undefined when the view column at that position had no
counterpart in the (alphabetically sorted) data table, which is the only
honest reading of a column we cannot locate. The coercion helpers treat it
exactly as they treat a null value: a gap.
A row of summary data already remapped into view order.
An entry is
undefinedwhen the view column at that position had no counterpart in the (alphabetically sorted) data table, which is the only honest reading of a column we cannot locate. The coercion helpers treat it exactly as they treat a null value: a gap.