public <U>BaseSimpleReactStream<U> from(final IntStream stream){
  return (BaseSimpleReactStream<U>)from(stream.boxed());
}

public < U > BaseSimpleReactStream < U > from ( final IntStream stream ) { return ( BaseSimpleReactStream < U > ) from ( stream . boxed ( ) ) ; }
start a reactive dataflow from a stream .
