addAll method
-
Iterable<
E> elements
inherited
This operation is not supported by an unmodifiable set.
Implementation
void addAll(Iterable<E> elements) => _throwUnmodifiable();
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-collection/UnmodifiableSetView/addAll.html