orderedList method
Ordered list (1., 2.).
Implementation
Parser<OrderedListNode> orderedList() =>
seq3(position(), ref0(orderedListItem).plus(), position()).map3((
start,
items,
stop,
) {
final startNum = items.first.$1;
final listItems = items.map((i) => i.$2).toList();
return OrderedListNode(
listItems,
startNumber: startNum,
isTight: true,
start: start,
stop: stop,
);
});