@{
  @@.append(`declaration int a = 0;);
  a = (`declaration int b = 0;);
  @@.append(a);
  if (1) {
    @@.append(`declaration int c = 0;);
  } else {
    @@.append(`declaration int c = 1;);
  }
  @@;
};

@a;
@(`declaration int d = 12;);