public static Writer<io.jenetics.BitChromosome> writer() {
			return elem(ROOT_NAME,
				attr(LENGTH_NAME).map(io.jenetics.BitChromosome::length),
				attr(ONES_PROBABILITY_NAME).map(ch -> ch.oneProbability()),
				text().map(io.jenetics.BitChromosome::toCanonicalString)
			);
		}
Return a {@link Writer} for {@link io.jenetics.BitChromosome}
objects.

@return a chromosome writer
jenetics.xml/src/main/java/io/jenetics/xml/Writers.java