vector-grow.cpp

#include <iostream>
#include <vector>

struct fax {
    ~fax() {
        static size_t i = 0;
        std::cout << ++i << " dtor\n";
    }
};

int main() {

  std::vector<fax> y;

  for (size_t i = 0; i < 5; ++i)
    y.push_back(fax());
}