public function findBySlug($slug)
    {
        return $this->model
            ->whereSlug($slug)
            ->with($this->with)
            ->first();
    }
public function findBySlug($slug)
    {
        return $this->model
            ->whereSlug($slug)
            ->with($this->with)
            ->first();
    }
public function findBySlug ( $ slug ) { return $ this -> model -> whereSlug ( $ slug ) -> with ( $ this -> with ) -> first ( ) ; }
Find news by unique identifier

@param $slug
@return \App\Page
Find news by unique identifier