empty method

bool empty()

Checks whether the classifier has been loaded.

https://docs.opencv.org/4.x/d1/de5/classcv_1_1CascadeClassifier.html#a1753ebe58554fe0673ce46cb4e83f08a

Implementation

bool empty() {
  return using<bool>((arena) {
    final p = arena<ffi.Bool>();
    cvRun(() => cffi.CascadeClassifier_Empty(ref, p));
    return p.value;
  });
}