// C++11 cleanup example
#include <vector>
#include <iostream>
#include <functional>
#include <fcntl.h>
#include <unistd.h>

using namespace std;

void out(const vector<function<void()>> &cleanups)
{
        for (auto f : cleanups)
                f();
}

int main()
{
        vector<function<void()>> cleanups;

        char *s[1000];

        for (int i = 0; i < 1000; ++i) {
                s[i] = new char[1000];
                cleanups.push_back([=](){delete [] s[i];});
        }
        int fd = open("/etc/passwd", O_RDONLY);
        cleanups.push_back([=](){close(fd);});

        // here, do some work

        out(cleanups);

        return 0;
}