Function opencv::features2d::draw_matches

pub fn draw_matches(img1: &Mat, keypoints1: &VectorOfKeyPoint, img2: &Mat, keypoints2: &VectorOfKeyPoint, matches1to2: &VectorOfDMatch, outImg: &Mat, matchColor: Scalar, singlePointColor: Scalar, matchesMask: &VectorOfchar, flags: i32) -> Result<(), String>

fault value for arguments: - matchColor: default Scalar::all(-1) - singlePointColor: default Scalar::all(-1) - matchesMask: default vector() - flags: default DrawMatchesFlags::DEFAULT