> But 'answer' is of course not owned by the current function As you imply later, ‘answer’ itself is owned by the current function, but the ‘answer’ value is a

> But 'answer' is of course not owned by the current function As you imply later, ‘answer’ itself is owned by the current function, but the ‘answer’ value is a pointer that doesn’t own what it points to. This subtlety, that references are full values themselves, is definitely something to trip on, especially when double indirection starts popping up like this.