function template
<memory>
std::return_temporary_buffer
template <class T> void return_temporary_buffer (T* p);
Return block of temporary memory
Releases the memory block pointed by p.
p shall be a pointer value returned by a previous call to get_temporary_buffer.
Parameters
- p
- Pointer to a block of temporary memory returned by a previous call to get_temporary_buffer.
Example
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
| // get/return_temporary_buffer example #include <iostream> #include <memory> #include <algorithm> int main () { int numbers[] = {30,50,10,20,60,40}; // use temporary buffer to sort and show the numbers: std::pair <int*,std::ptrdiff_t> result = std::get_temporary_buffer<int>(6); if (result.second>0) { std::uninitialized_copy (numbers,numbers+result.second,result.first); std::sort (result.first,result.first+result.second); std::cout << "sorted numbers : "; for (int i=0;i<result.second;i++) std::cout << result.first[i] << " "; std::cout << '\n'; std::return_temporary_buffer (result.first); } // show original numbers: std::cout << "unsorted numbers: "; for (int i=0;i<6;i++) std::cout << numbers[i] << " "; std::cout << '\n'; return 0; }
|
Possible output:
sorted numbers : 10 20 30 40 50 60 unsorted numbers: 30 50 10 20 60 40 |