c++ tuple

#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<list>
#include<tuple>
 
using namespace  std;
 




int main(int agrn,char** args)
{
 
    
    
    tuple<int,string,double> t(1,"Sss",3.2);

    tuple<int,string,double> t1(2,"Sss",3.4);

    // count and each type must be same or can be compared

    if(t1== t)
    {
        std::cout<<"Equal";
    }


    int i = get<0>(t);
    string s = get<1>(t);
    double d = get<2>(t);


    typedef decltype(t) trans;
    size_t sz = tuple_size<trans>::value;

    tuple_element<1,trans>::type cnt = get<1>(t);  //return a string type variable


}