Neos.Neos/Classes/View/FusionView.php
public function assign($key, $value)
    {
        $this->fusionRuntime = null;
        return parent::assign($key, $value);
    }
public function assign($key, $value)
    {
        $this->fusionRuntime = null;
        return parent::assign($key, $value);
    }
public function assign ( $ key , $ value ) { $ this -> fusionRuntime = null ; return parent :: assign ( $ key , $ value ) ; }
Clear the cached runtime instance on assignment of variables

@param string $key
@param mixed $value
@return FusionView
Clear the cached runtime instance on assignment of variables