exceptNull method
- return the map without key of null values
Implementation
Map<K, V> exceptNull() {
final holder = Map<K, V>.of(this);
holder.removeWhere((key, value) => value == null);
return holder;
}
Map<K, V> exceptNull() {
final holder = Map<K, V>.of(this);
holder.removeWhere((key, value) => value == null);
return holder;
}