迭代器中的元素怎么转换成绑定的对象？

C/C++ code

class TestA{   ……；};vector<TestA> AList;TestA* a1 = new TestA();TestA* a2 = new TestA();Alist.push_back(*a1);Alist.push_back(*a2);vector<TestA>::iterator iter;iter = AList.begin();   //如果我想把这个iter转换成TestA对象怎么办？强制类型转换显然不行……

C/C++ code

TestA x = *iter;