code: public <U> FutureStream<U> construct(final Stream<U> s) {
  
          return new FutureStreamImpl<U>(
                                             this, s);
  
      }
docs: /*
  Construct a new Stream from another Stream
  
  @param s Stream to copy
  @param org ignored for LazyFutureStreams
  @return
  @see com.oath.cyclops.react.stream.BaseSimpleReact#construct(java.util.stream.Stream, java.util.List)