Method backTo

core/src/main/java/io/questdb/std/GenericLexer.java:124–131

(int position, CharSequence lastSeen)

    }

    public void backTo(int position, CharSequence lastSeen) {
        if (position < 0 || position > _len) {
            throw new IndexOutOfBoundsException();
        }
        _pos = position;
        last = lastSeen;
        next = null;
    }

    @Override
    public void clear() {