Quick A: It's a valid object with an unspecified state, so start by using member functions that have no preconditions. For example, assign a new value to the object.

What can I do with a moved-from object?

Does the standard define precisely what I can do with an object once it has been moved from? I used to think that all you can do with a moved-from object is do destruct it, but that would not be sufficient...