std::return_temporary_buffer

 

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Распределители Original: Allocators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
allocator
allocator_traits (C++11)
allocator_arg_t (C++11)
allocator_arg (C++11)
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Неинициализированные хранения Original: Uninitialized storage The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
uninitialized_copy
uninitialized_copy_n (C++11)
uninitialized_fill
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get_temporary_buffer
return_temporary_buffer
Умные указатели Original: Smart pointers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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malloc calloc	realloc free

 

Заголовочный файл <memory>
template< class T > void return_temporary_buffer( T* p )

Освобождает ранее выделенную хранения с std::get_temporary_buffer.

Original:

Deallocates storage previously allocated with std::get_temporary_buffer.

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Параметры

p

-

Указатель ранее возвращается 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.

Возвращаемое значение

(Нет)

Original:

(none)

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Пример

#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);
}

Вывод:

string
1
test
...

См. также

get_temporary_buffer	получает неинициализированные хранения 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. (шаблон функции)