std::return_temporary_buffer
来自cppreference.com
|
|
This page has been machine-translated from the English version of the wiki using Google Translate.
The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
| Defined in header <memory>
|
||
| template< class T > void return_temporary_buffer( T* p ) |
||
会释放存储分配与std::get_temporary_buffer.
Original:
Deallocates storage previously allocated with std::get_temporary_buffer.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
目录 |
[编辑] 参数
| p | - | 以前的指针返回std::get_temporary_buffer
Original: the pointer previously returned by std::get_temporary_buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[编辑] 返回值
(无)
Original:
(none)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[编辑] 为例
#include <algorithm> #include <iostream> #include <memory> #include <string> int main() { const std::string s[] = {"string", "1", "test", "..."}; std::string* p = std::get_temporary_buffer<std::string>(4).first; std::copy(std::begin(s), std::end(s), std::raw_storage_iterator<std::string*, std::string>(p)); for (std::string* i = p; i != p+4; ++i) { std::cout << *i << '\n'; i->~basic_string<char>(); } std::return_temporary_buffer(p); }
Output:
string 1 test ...
[编辑] 另请参阅
| 获得未初始化的存储 Original: obtains uninitialized storage The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (函数模板) | |