repeatAsync function
Repeat fills the output array with repeated copies of the input array.
For further details, please see: https://docs.opencv.org/master/d2/de8/group__core__array.html#ga496c3860f3ac44c40b48811333cfda2d
Implementation
Future<Mat> repeatAsync(InputArray src, int ny, int nx) async =>
cvRunAsync((callback) => cffi.core_Repeat_Async(src.ref, ny, nx, callback), matCompleter);