code: public final static <T> Stream<String> flatMapURL(final Stream<T> stream, final Function<? super T, URL> fn) {
          return stream.flatMap(fn.andThen(url -> ExceptionSoftener.softenSupplier(() -> {
              final BufferedReader in = new BufferedReader(
                                                           new InputStreamReader(
                                                                                 url.openStream()));
  
              return in.lines();
          })
                                                                   .get()));
  
      }
docs: Perform a flatMap operation where the result will be a flattened stream of Strings
  from the text loaded from the supplied URLs
  
  <pre>
  {@code
  List<String> result = Streams.liftAndBindURL(Stream.of("input.file")
  ,getClass().getClassLoader()::getResource)
  .collect(CyclopsCollectors.toList();
  
  assertThat(result,equalTo(Arrays.asList("hello","world")));
  
  }
  </pre>
  
  @param fn
  @return