divider method
Implementation
List<TableRow> divider({Color? color, int lastIndex = -1}) {
if (isEmpty && length < 1) return this;
final separator = TableRow(
children: [
...Iterable.generate(
first.children.length,
(_) => Container(
height: 1,
width: double.infinity,
color: (color ?? Colors.black.withValues(alpha: 0.2)),
),
),
],
);
int inserts = length - 1;
while (inserts > 0) {
inserts--;
lastIndex = lastIndex + 2;
insert(lastIndex, separator);
}
return this;
}