library test;

class A {
  int f;
}

main() {}
var v_assign = (new A().f = 1);
var v_minus = (new A().f -= 1);
var v_multiply = (new A().f *= 1);
var v_plus = (new A().f += 1);
var v_postfix_mm = (new A().f--);
var v_postfix_pp = (new A().f++);
var v_prefix_mm = (--new A().f);
var v_prefix_pp = (++new A().f);