init_def_should_be_all_vars.cpp
#include "Halide.h"
#include <stdio.h>
using namespace Halide;
int main(int argc, char **argv) {
Buffer<int> in(10, 10);
Func f("f");
RDom r(0, in.width(), 0, in.height());
f(r.x, r.y) = in(r.x, r.y) + 2;
f.realize(in.width(), in.height());
return 0;
}