Method load

deps/opencv/modules/imgproc/src/smooth.cpp:1310–1310

    typedef int arg_type;
    enum { SIZE = 1 };
    arg_type load(const uchar* ptr) { return *ptr; }
    void store(uchar* ptr, arg_type val) { *ptr = (uchar)val; }
    void operator()(arg_type& a, arg_type& b) const
    {