std::experimental::optional<T>:: ~optional
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<
cpp
|
experimental
|
optional
C++
Experimental
| Technical Specification | ||||
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std::experimental::optional
| Member functions | ||||
|
optional::~optional
|
||||
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| Helper objects | ||||
|
~optional
(
)
;
|
(库基础技术规范) | |
若对象包含值且类型
T
非可平凡析构(参见
std::is_trivially_destructible
),则通过调用其析构函数销毁所含值,如同执行
val
-
>
T
::
~T
(
)
。
否则,不执行任何操作。
注释
如果
T
是平凡可析构的,那么此析构函数也是平凡的,因此
optional<T>
也是平凡可析构的。