#include <iostream>
#include "a.h"
using namespace std;
void addItem(A& _a,string n) {
_a.m_B.emplace_back(n);
};
int main()
{
A a;
addItem(a, "a");
addItem(a, "b");
std::cout << a.m_B.size() <<"\n";
std::cout << "Hello World!\n";
}
#pragma once
#include <string>
#include <vector>
#include <iostream>
using namespace std;
class B {
public:
string n;
B(string name) {
this->n = name;
cout << this->n<< " create" << endl;
}
~B() {
cout << this->n << " destory" << endl;
}
};
class A {
public:
vector<B> m_B;
A():m_B(vector<B>{}) {
cout << "class A create" << endl;
};
~A() {
cout << "class A destory" << endl;
};
};
