/**
* Creates a new instance
*
* @param var $arg Either an io.File object or a file name
* @param text.json.Format $format
*/
public function __construct($arg, Format $format = null)
{
parent::__construct($format);
if ($arg instanceof File) {
$this->file = $arg;
$this->wasOpen = $this->file->isOpen();
} else {
$this->file = new File($arg);
$this->wasOpen = false;
}
$this->wasOpen || $this->file->open(File::WRITE);
}
/**
* Creates a new instance
*
* @param io.streams.OutputStream $out
* @param text.json.Format $format
*/
public function __construct(OutputStream $out, Format $format = null)
{
parent::__construct($format);
$this->stream = $out;
}