getFeatureTypeAsync method
Implementation
Future<int> getFeatureTypeAsync() async {
final rval = cvRunAsync<int>(
(callback) => cffi.CascadeClassifier_getFeatureType_Async(ref, callback), (c, p) {
final rval = p.cast<ffi.Int>().value;
calloc.free(p);
return c.complete(rval);
});
return rval;
}