def updated_from index
      index.upto(@rows.size - 1) do |idx|
        row = row(idx)
        row.idx = idx
        row_updated idx, row
      end
    end
def updated_from index
      index.upto(@rows.size - 1) do |idx|
        row = row(idx)
        row.idx = idx
        row_updated idx, row
      end
    end
def updated_from index index . upto ( @rows . size - 1 ) do | idx | row = row ( idx ) row . idx = idx row_updated idx , row end end
Renumbers all Rows starting at _idx_ and calls #row_updated for each of
 them.
Renumbers all Rows starting at _idx_ and calls #row_updated for each of them .