protected void consume() {
		if (pos + 1 >= _input.length()) {
			c = EOF;
		} else {
			c = _input.charAt(++pos);
		}
	}
Create a new tokenizer from the given character sequence.

@param input the input character sequence
@throws NullPointerException if the given {@code input} is {@code null}
jenetics.ext/src/main/java/io/jenetics/ext/internal/parser/CharSequenceTokenizer.java