addAll method
-
Map<
K, V> other
inherited
This operation is not supported by an unmodifiable map.
Implementation
void addAll(Map<K, V> other) { throw UnsupportedError("Cannot modify unmodifiable map"); }
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-collection/UnmodifiableMapView/addAll.html