code: public static Stream<Byte> box(final byte[] bytes) {
          return new FixedSizeStream<>(bytes.length, new Func1<Integer, Byte>() {
              @Override
              public Byte call(Integer index) {
                  return bytes[index];
              }
          });
      }
docs: Creates a new stream of {@link Byte} type that contains all items of a given array.
  
  @param bytes an array to get items from.
  @return a new stream of {@link Byte} type that contains all items of a given array.