/* Test user-defined assignment operators */

class foo {
  foo(int x) : x(x) { }
  int x;
};
fun operator=(foo! f, foo g) -> foo! {
  f.x = g.x;
  return f;
}

fun main() -> int@
{
  let f1 = @foo(2);
  let f2 = @foo(3);
  f2 = f1;
  return f1.x - f2.x;
}