Opencv ptr()'s overload 9 and 10

C++
4

there are no samples, you found a bug. (it’s not implemented)

(same problem for 19 20)

we’ll fix this later, for now you can put the missing implementation into your own code, like:

template<int n> uchar* Mat::ptr(const Vec<int, n>& idx) {
	return Mat::ptr(idx.val);
}
template<int n> const uchar* Mat::ptr(const Vec<int, n>& idx) const {
	return Mat::ptr(idx.val);
}
template<typename _Tp, int n> _Tp* Mat::ptr(const Vec<int, n>& idx) {
	return Mat::ptr<_Tp>(idx.val);
}
template<typename _Tp, int n> const _Tp* Mat::ptr(const Vec<int, n>& idx) const {
	return Mat::ptr<_Tp>(idx.val);
}