Shouldn't have added this file.

src/vectest.cpp

-#include <vector>
-#include <iostream>
-
-using namespace std;
-
-struct box {
-  vector<int> vec;
-  vector<box> vec2;
-};
-
-int main() {
-  box b;
-  
-  b.vec.push_back(1);
-  b.vec.push_back(2);
-  b.vec.push_back(3);
-  
-  box c = b;
-  c.vec.push_back(4);
-  
-  cout << b.vec.size() << endl;
-  cout << c.vec.size() << endl;
-  
-  c.vec[0] = 42;
-  cout << b.vec[0] << endl;
-  cout << c.vec[0] << endl;
-  
-  b.vec2.push_back(c);
-  cout << b.vec2[0].vec[0] << endl;
-  
-  return 0;
-}
-