why std::unique_ptr vector gets invalid pointer exception

Question

I wrote simple code to help me understand smart pointers:

string s = \"str\";
vector > pv ;

pv.push_back(unique_ptr         


        

Answer 1

In the std::unique_ptr's destructor it will call delete on the &s pointer which was not allocated via new.

Just use:

std::vector vector;
vector.emplace_back("str");
std::cout << pv[0] << std::endl;

There's no need for std::unique_ptr there.