addAll method
-
Iterable<
E> elements
Adds all elements
to this set.
Equivalent to adding each element in elements
using add, but some collections may be able to optimize it.
Implementation
void addAll(Iterable<E> elements);
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-core/Set/addAll.html