示例#1
1
 @Override
 public Vector<T> retainAll(java.lang.Iterable<? extends T> elements) {
   Objects.requireNonNull(elements, "elements is null");
   final Vector<T> keeped = Vector.ofAll(elements).distinct();
   HashArrayMappedTrie<Integer, T> result = HashArrayMappedTrie.empty();
   for (T element : this) {
     if (keeped.contains(element)) {
       result = result.put(result.size(), element);
     }
   }
   return result.isEmpty() ? empty() : new Vector<>(result);
 }
示例#2
1
 @Override
 public Vector<T> slice(int beginIndex, int endIndex) {
   if (beginIndex < 0 || beginIndex > endIndex || endIndex > length()) {
     throw new IndexOutOfBoundsException(
         String.format("slice(%s, %s) on List of length %s", beginIndex, endIndex, length()));
   }
   if (beginIndex == endIndex) {
     return Vector.empty();
   }
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = beginIndex; i < endIndex; i++) {
     trie = trie.put(trie.size(), get(i));
   }
   return trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#3
0
 @Override
 public <T1, T2> Tuple2<Vector<T1>, Vector<T2>> unzip(
     Function<? super T, Tuple2<? extends T1, ? extends T2>> unzipper) {
   Objects.requireNonNull(unzipper, "unzipper is null");
   HashArrayMappedTrie<Integer, T1> xs = HashArrayMappedTrie.empty();
   HashArrayMappedTrie<Integer, T2> ys = HashArrayMappedTrie.empty();
   for (T element : this) {
     final Tuple2<? extends T1, ? extends T2> t = unzipper.apply(element);
     xs = xs.put(xs.size(), t._1);
     ys = ys.put(ys.size(), t._2);
   }
   return Tuple.of(
       xs.isEmpty() ? empty() : new Vector<>(xs), ys.isEmpty() ? empty() : new Vector<>(ys));
 }
示例#4
0
 @Override
 public Vector<T> reverse() {
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = 0; i < length(); i++) {
     trie = trie.put(i, get(length() - 1 - i));
   }
   return trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#5
0
 @Override
 public <U> Vector<U> map(Function<? super T, ? extends U> mapper) {
   Objects.requireNonNull(mapper, "mapper is null");
   HashArrayMappedTrie<Integer, U> trie = HashArrayMappedTrie.empty();
   for (int i = 0; i < length(); i++) {
     trie = trie.put(i, mapper.apply(get(i)));
   }
   return trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#6
0
 @Override
 public Vector<T> replaceAll(UnaryOperator<T> operator) {
   Objects.requireNonNull(operator, "operator is null");
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = 0; i < length(); i++) {
     trie = trie.put(trie.size(), operator.apply(get(i)));
   }
   return trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#7
0
 @Override
 public Vector<T> intersperse(T element) {
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = 0; i < length(); i++) {
     if (i > 0) {
       trie = trie.put(trie.size(), element);
     }
     trie = trie.put(trie.size(), get(i));
   }
   return trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#8
0
 @Override
 public Vector<T> tail() {
   if (isEmpty()) {
     throw new UnsupportedOperationException("tail of empty vector");
   }
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = 1; i < length(); i++) {
     trie = trie.put(i - 1, get(i));
   }
   return trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#9
0
 @Override
 public Vector<T> removeAll(T element) {
   HashArrayMappedTrie<Integer, T> result = HashArrayMappedTrie.empty();
   for (int i = 0; i < length(); i++) {
     final T value = get(i);
     if (!element.equals(value)) {
       result = result.put(result.size(), value);
     }
   }
   return result.size() == length() ? this : (result.isEmpty() ? empty() : new Vector<>(result));
 }
示例#10
0
 @Override
 public Option<Vector<T>> tailOption() {
   if (isEmpty()) {
     return None.instance();
   }
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = 1; i < length(); i++) {
     trie = trie.put(i - 1, get(i));
   }
   return new Some<>(trie.isEmpty() ? empty() : new Vector<>(trie));
 }
示例#11
0
 @Override
 public Vector<T> takeWhile(Predicate<? super T> predicate) {
   Objects.requireNonNull(predicate, "predicate is null");
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = 0; i < length(); i++) {
     T value = get(i);
     if (!predicate.test(value)) {
       break;
     }
     trie = trie.put(i, get(i));
   }
   return trie.size() == length() ? this : trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#12
0
 @Override
 public Vector<T> drop(int n) {
   if (n <= 0) {
     return this;
   }
   if (n >= length()) {
     return empty();
   }
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = n; i < length(); i++) {
     trie = trie.put(i - n, get(i));
   }
   return trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#13
0
 @Override
 public Vector<T> filter(Predicate<? super T> predicate) {
   Objects.requireNonNull(predicate, "predicate is null");
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (T t : this) {
     if (predicate.test(t)) {
       trie = trie.put(trie.size(), t);
     }
   }
   if (trie.size() == length()) {
     return this;
   } else {
     return trie.isEmpty() ? empty() : new Vector<>(trie);
   }
 }
示例#14
0
 @Override
 public Vector<T> replaceAll(T currentElement, T newElement) {
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   boolean changed = false;
   for (int i = 0; i < length(); i++) {
     final T value = get(i);
     if (currentElement.equals(value)) {
       trie = trie.put(trie.size(), newElement);
       changed = true;
     } else {
       trie = trie.put(trie.size(), value);
     }
   }
   return changed ? (trie.isEmpty() ? empty() : new Vector<>(trie)) : this;
 }
示例#15
0
 @Override
 public Vector<T> removeAt(int indx) {
   if (indx < 0) {
     throw new IndexOutOfBoundsException("removeAt(" + indx + ")");
   }
   if (indx >= length()) {
     throw new IndexOutOfBoundsException("removeAt(" + indx + ")");
   }
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   for (int i = 0; i < length(); i++) {
     if (i != indx) {
       trie = trie.put(trie.size(), get(i));
     }
   }
   return trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#16
0
 @Override
 public <U> Vector<U> flatMap(
     Function<? super T, ? extends java.lang.Iterable<? extends U>> mapper) {
   Objects.requireNonNull(mapper, "mapper is null");
   if (isEmpty()) {
     return empty();
   } else {
     HashArrayMappedTrie<Integer, U> trie = HashArrayMappedTrie.empty();
     for (int i = 0; i < length(); i++) {
       for (U u : mapper.apply(get(i))) {
         trie = trie.put(trie.size(), u);
       }
     }
     return trie.isEmpty() ? empty() : new Vector<>(trie);
   }
 }
示例#17
0
 @Override
 public Vector<T> remove(T element) {
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   boolean found = false;
   for (int i = 0; i < length(); i++) {
     final T value = get(i);
     if (found) {
       trie = trie.put(trie.size(), value);
     } else {
       if (element.equals(value)) {
         found = true;
       } else {
         trie = trie.put(trie.size(), value);
       }
     }
   }
   return trie.size() == length() ? this : trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#18
0
 @Override
 public Vector<T> removeAll(java.lang.Iterable<? extends T> elements) {
   Objects.requireNonNull(elements, "elements is null");
   HashArrayMappedTrie<T, T> removed = HashArrayMappedTrie.empty();
   for (T element : elements) {
     removed = removed.put(element, element);
   }
   HashArrayMappedTrie<Integer, T> result = HashArrayMappedTrie.empty();
   boolean found = false;
   for (int i = 0; i < length(); i++) {
     T element = get(i);
     if (removed.get(element).isDefined()) {
       found = true;
     } else {
       result = result.put(result.size(), element);
     }
   }
   return found ? (result.isEmpty() ? empty() : new Vector<>(result)) : this;
 }
示例#19
0
 @Override
 public Vector<T> removeFirst(Predicate<T> predicate) {
   Objects.requireNonNull(predicate, "predicate is null");
   HashArrayMappedTrie<Integer, T> trie = HashArrayMappedTrie.empty();
   boolean found = false;
   for (int i = 0; i < length(); i++) {
     final T value = get(i);
     if (found) {
       trie = trie.put(trie.size(), value);
     } else {
       if (predicate.test(value)) {
         found = true;
       } else {
         trie = trie.put(trie.size(), value);
       }
     }
   }
   return trie.size() == length() ? this : trie.isEmpty() ? empty() : new Vector<>(trie);
 }
示例#20
0
 @Override
 public boolean isEmpty() {
   return trie.isEmpty();
 }