code: public final Parser<List<T>> sepBy1(Parser<?> delim) {
      final Parser<T> afterFirst = delim.asDelimiter().next(this);
      return next((Function<T, Parser<List<T>>>) firstValue ->
          new RepeatAtLeastParser<T>(
              afterFirst, 0, ListFactory.arrayListFactoryWithFirstElement(firstValue)));
    }
docs: A {@link Parser} that runs {@code this} 1 or more times separated by {@code delim}.
  
  <p>The return values are collected in a {@link List}.