/**
* Assigns a template variable with a value
* @param string|array $key template file reference
* @param mixed $val (primitive types or \Jazz\Output
* @throws \InvalidArgumentException
*/
public function assign($key, $val = null)
{
if (is_array($key)) {
parent::assign($key);
} else {
// verify precondition
if ($val !== null && !is_bool($val) && !is_string($val) && !is_numeric($val) && !$val instanceof \Jazz\IOutput) {
throw new \InvalidArgumentException('val');
}
parent::assign($key, $val);
}
}
