1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
// aligned_storage example
#include <iostream>
#include <type_traits>
struct A { // non-POD type
int avg;
A (int a, int b) : avg((a+b)/2) {}
};
typedef std::aligned_storage<sizeof(A),alignof(A)>::type A_pod;
int main() {
A_pod a,b;
new (&a) A (10,20);
b=a;
std::cout << reinterpret_cast<A&>(b).avg << std::endl;
return 0;
}
|