TypedefTypenameTest2

#include <iostream>#include <fstream>#include <string>#include <set>#include <map>#include <vector>#include <list>#include <stack>#include <queue>#include <limits>#include <iterator>#include <iomanip>#include <algorithm>#include <functional>using namespace std;template<typename T>class MapTest{public:typedef map<T,int> MapPair;MapPair m_MapPair;//Iterator and Const_Iteratorpublic:typedef MapPair::const_iterator const_iterator;typedef MapPair::iterator             iterator;const_iterator begin() const{return m_MapPair.begin();}iterator begin() {return m_MapPair.begin();}    const_iterator end() const{return m_MapPair.end();}iterator end(){return m_MapPair.end();}};int main(){cout << "hello " <<endl;return 0;}