1樓：d41d8c
按照Herb Sutter的最新說法（https://
），是Pointer。
A Pointer is not an Owner and provides indirect access to an object it does not own (can dangle).
[...]
The following standard or other types are treated as-if annotated as Pointer, if not otherwise annotated and if not Owners:
Every type that satisfies the standard Iterator requirements. [...]
Every type that satisfies the Ranges TS Range concept. [...]
Every type that satisfies the following concept. [...]
template
concept TriviallyCopyableAndNonOwningAndDereferenceable =
std::is_trivially_copyable_v &&
std::is_copy_constructible_v &&
std::is_copy_assignable_v &&
requires(T t) ;
Every closure type of a lambda that captures by reference or captures a Pointer by value. [...]
Every type that is publicly derived from a Pointer type.
C 的迭代器的end 為什麼指向最後元素的下乙個位置
年輪 map wordCount wordCount.insert make pair chinese 200 wordCount.insert make pair english 9 wordCount.insert make pair frence 100 wordCount germany 8...
丹田的實質是什麼？
WILLIAM 我從小就好奇什麼是丹田，練太極拳時老師也時常提到氣沉丹田。我問老師什麼是氣沉丹田，老師說要自己悟。我悟了兩個多月也沒悟到。後來我開始查資料來給丹田提出乙個我自己的理論支援。傳統拳論中對丹田的解釋十分深奧晦澀，讓人摸不著頭腦。碰巧哲學算是我的乙個愛好便聯想到道教對 金丹 的哲學思維，突...
python的迭代器為什麼一定要實現 iter 方法？
劉昕宸 劉昕宸 徹底搞懂Python的 iter 和 next Iterable和Iteration iter 與 next iter 返回乙個迭代器物件，該物件是乙個實現了 next 的物件。該方法為容器類所擁有，類似於迭代器模式中Aggregate類的createIterator方法。next ...