lvalue-xvalue-prvalue

• iM: has identity and cannot be moved from

• im: has identity and can be moved from (e.g. the result of casting an lvalue to a rvalue reference)

• Im: does not have identity and can be moved from

posted @ 2016-06-21 19:19  fndefbwefsowpvqfx  阅读(212)  评论(0)  编辑  收藏  举报