retainWhere method Null safety
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");
}
This operation is not supported by an unmodifiable list.
void retainWhere(bool test(E element)) {
throw new UnsupportedError("Cannot remove from an unmodifiable list");
}