testListRemoveif

#include <iostream>#include <list>using namespace std;class notBigi{private:int m_i;list<int> ll;public:notBigi(int i):m_i(i){} bool operator() (int j) { if ( j == m_i) {return true; }elsereturn false;  }};void main(){list <int> l;l.clear();for ( int i = 0; i <  10; i++){l.push_back(i);}l.remove_if(notBigi(7));list<int>::iterator i1,i2;for (i1 = l.begin(); i1 != l.end(); i1++){i2 = i1;i2++;cout << "i1 " << *i1 <<endl;if (i2 == l.end()){cout << "i2 reach end"<<endl;}//cout << "i2 " << *i2 <<endl;// if ( i1 < i2)// {// cout <<  "i1 < i2" <<endl;// }// else if (i1 > i2)// cout << "i1 > i2" <<endl;// else// cout << "error " <<endl;}}