Hackzilla\PasswordGenerator\Generator\HumanPasswordGenerator::setWordSeparator PHP 메소드

    public function setWordSeparator($separator)
    {
        if (!is_string($separator)) {
            throw new \InvalidArgumentException('Expected string');
        }
        $this->setParameter(self::PARAMETER_WORD_SEPARATOR, $separator);
        return $this;
    }