@SafeVarargs
	public static <G extends Gene<?, G>, C extends Comparable<? super C>>
	ConcatEngine<G, C> of(final EvolutionStreamable<G, C>... engines) {
		return new ConcatEngine<>(List.of(engines));
	}
Create a new concatenating evolution engine with the given array of
engines.

@param engines the engines which are concatenated to <em>one</em> engine
@param <G> the gene type
@param <C> the fitness type
@return a new concatenating evolution engine
@throws NullPointerException if the {@code engines} or one of its
        elements is {@code null}
jenetics.ext/src/main/java/io/jenetics/ext/engine/ConcatEngine.java