removeAll method
void removeAll(Removes each element of elements from this set.
Source
void removeAll(Iterable<Object> elements) {
for (Object element in elements) remove(element);
}
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-collection/SetMixin/removeAll.html