auto超神了！！！

auto print_decurship = [](auto& c, char* s)
{
cout << s;
for (auto& i : c)
{
cout << i.name() << ' ';
}
cout << endl;
};


print_decurship(cli1, "Obj1: ");

print_decurship(cli2, "obj2; ");

这auto已经不仅仅是占位符了，而是模板了！！