public static CharSeq of(final char a, final char b) {
		return new CharSeq(expand(a, b));
	}
Expands the characters between {@code a} and {@code b}.

@see #expand(char, char)

@param a the start character.
@param b the stop character.
@return the expanded characters.
jenetics/src/main/java/io/jenetics/util/CharSeq.java