remove

#include <algorithm>
#include <iostream>
#include <vector>
                                                                                                                
using std::vector,
    std::remove,
    std::cerr;
                                        
class Temp{
    public:
        int a, b;
        Temp(int i, int j):a(i), b(j){}
};

bool operator==(const Temp& l, const Temp& r)
{
    return l.a == r.a && l.b == r.b;
} 
                        
typedef vector<Temp> my_vector;
            
int main(){
    my_vector a = {Temp(0, 0), Temp(1, 1), Temp(2, 4), Temp(3, 9), Temp(2, 4)};

    auto print = [] (Temp t){
        cerr << "Temp(" << t.a << ", " << t.b << ")\n";
    };  
    for_each(a.begin(), a.end(), print);
    cerr << "\n";

    //this is a 2 step process of remove then erase.
    my_vector::iterator i = remove(a.begin(), a.end(), Temp(2, 4));
    a.erase(i, a.end());

    for_each(a.begin(), a.end(), print);
    return 0;
}