int main()
{
std::vector<int> my_vec {1, 2, 3, 4};
cout << my_vec[3] << endl;
std::map<int, std::string> my_map {{5, "kli"}, {100, "lina"}};
//std::map<int, std::string> my_map = {{5, "kli"}, {100, "lina"}};
cout << my_map[100] << endl;
std::initializer_list<int> my_list{100, 2, 3};
cout << my_list.size() << endl;
cout << *my_list.begin() << endl;
//*my_list.begin() = 333; // error, iterator is const
return 0;
}
输出：
4
lina
3
100
