retainWhere method
inherited
This operation is not supported by an unmodifiable list.
Implementation
void retainWhere(bool test(E element)) { throw new UnsupportedError("Cannot remove from an unmodifiable list"); }
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-typed_data/UnmodifiableInt64ListView/retainWhere.html