#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
class A {
std::vector<int> y;
public:
A(){
y.resize(5,10);
}
std::vector<int> f(){
return std::move(y);
}
};
int main(){
A a;
std::vector<int> x(5);
x = a.f();
std::copy( x.begin(), x.end(), std::ostream_iterator<int>(std::cout," ")) ;
}
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