SharedPtr≺cv꞉꞉xfeatures2d꞉꞉FREAK≻¶ Constructors¶ initialize(value: Cv::Xfeatures2d::FREAK) Methods¶ empty? -> TrueClass get -> Cv::Xfeatures2d::FREAK swap(r: Std::SharedPtr≺cv꞉꞉xfeatures2d꞉꞉FREAK≻) -> NilClass use_count -> Integer