arrakeen

  ./configure --prefix=/usr/local/stow/myapp
  make && make install
  stow myapp

  stow -D myapp

    Optional<String> result = returnsAnOptional();
    if (result.isPresent()) {
        log.info("result is {}", result.get());
    }

    // and

    returnsAnOptional().map(r -> log.info("result is {}", r);