@SuppressWarnings("unchecked") public <U>SimpleReactStream<U> from(final Iterator<U> iterator){
  return from(StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator,Spliterator.ORDERED),false));
}

@ SuppressWarnings ( "unchecked" ) public < U > SimpleReactStream < U > from ( final Iterator < U > iterator ) { return from ( StreamSupport . stream ( Spliterators . spliteratorUnknownSize ( iterator , Spliterator . ORDERED ) , false ) ) ; }
start a reactive flow from a jdk iterator
