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std::return_temporary_buffer

From cppreference.com
< cpp‎ | memory
 
 
 
 
Defined in header <memory>
template< class T >
void return_temporary_buffer( T* p )

Deallocates storage previously allocated with std::get_temporary_buffer.

Contents

[edit] Parameters

p - the pointer previously returned by std::get_temporary_buffer

[edit] Return value

(none)

[edit] Example

#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
...

[edit] See also

obtains uninitialized storage
(function template) [edit]