作者查詢 / firose
作者 firose 在 PTT [ C_and_CPP ] 看板的留言(推文), 共403則
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8F推: 相見恨晚01/08 16:56
9F推: 新年快樂01/01 10:53
6F→: 印象最深刻的還是 local 被傳回會被視為右值 (C++14)10/10 07:47
23F→: DerivedRef 就算被 const T& 也不能活超過 do-block09/29 12:40
24F→: 說錯, 是 test(), 只是這裡問題是它能活多久?09/29 12:41
1F→: 由此看來 extra object 應該是 (2) implicit 建構的物件08/13 23:55
2F→: 關鍵點還是在 c++14 把它先視為 rvalue @@08/13 23:56
3F→: 說錯了 @@ 應是(1)產生物件 然後再(2)move回去08/14 00:08
4F→: 如果加 move 就直接 2 回去08/14 00:09
2F推: 推05/15 23:43
26F→: unique_ptr 很輕 就像一個 native ptr 一樣04/27 17:28
15F→: copy應該指向新物件吧? 像raw ptr那樣, 不是在裡面move02/19 16:02
16F→: 否則好像應該用 shared_ptr02/19 16:05
6F→: Universal Reference 是 T&& 不是 const T&&01/28 19:58
3F→: 出來是 shared_ptr<base> 但仍然是指向 new101/26 21:16
4F→: 否則也可以 dynamic_pointer_cast 成 shared_ptr<new1>01/26 21:19