protected function parse()
{
$this->chars = array();
for ($i = 0; $i < $this->length(); $i++) {
$char = new StaticChar($this->value[$i], $i);
if ($prev = $this->offsetGet($i - 1)) {
$char->prev($prev);
$prev->next($char);
}
$this->chars[] = $char;
}
}
public function __construct($value, $position = 0, MutateableString $parent)
{
parent::__construct($value, $position);
$this->parent = $parent;
}
