@Override
public <S, R> SmartMap<S, R> map(
final UnaryFunction<KeyValuePair<S, R>, java.util.Map.Entry<K, V>> function) {
SmartMap<S, R> resultMap = createNewInstance(new HashMap<S, R>());
for (Map.Entry<K, V> entry : internalMap.entrySet()) {
KeyValuePair<S, R> mappedEntry = function.apply(entry);
resultMap.put(mappedEntry.getKey(), mappedEntry.getValue());
}
return resultMap;
}
@Override
public SmartMap<V, K> swap() {
if (!isBijective()) {
throw new UnsupportedOperationException("Map is not bijective!");
}
SmartMap<V, K> swappedMap = createNewInstance(new HashMap<V, K>());
for (Map.Entry<K, V> entry : internalMap.entrySet()) {
swappedMap.put(entry.getValue(), entry.getKey());
}
return swappedMap;
}
