testvector.cpp
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#include <iostream>
using namespace std;
#include "vector.h"
template <class C> void printvector(vector<C> v)
{
cout << v << endl;
}
int main()
{
vector<string> a(0);
vector<string> b(0);
a.push_back("1");
a.push_back("2");
a.push_back("3");
a.push_back("4");
a.push_back("5");
a.push_back("6");
a.push_back("7");
a.reserve(10); // to avoid reallocation and reference invalidation
std::tuple<string&, string&, string&> c = a.push_back("8", "9", "10");
printvector(a);
get<0>(c) = "108";
get<1>(c) = "109";
get<2>(c) = "110";
printvector(a);
a.reserve(12);
auto [x, y] = a.push_back("11", "12");
x = "111";
y = "112";
string arg = "13";
a.push_back(arg);
b = a;
printvector(b);
}