createUpdateAddVertical method

List<NamedLine> createUpdateAddVertical(
  1. String name,
  2. List<NamedLine> updateAdd()
)

Implementation

List<NamedLine> createUpdateAddVertical(String name, List<NamedLine> Function() updateAdd){
  return verticalLines.update(name, (old)=>[ ...old, ...updateAdd()], ifAbsent: updateAdd);
}