//Comparison between data only struct and tuple //1. Tuple takes considerably less time compared to struct //2. Tuple doesnot require comparator function for ascending order w.r.t. first field unlike struct require #include #include #include #include #include using namespace std; using namespace chrono; class timer { high_resolution_clock::time_point start,end; public: timer(){start = high_resolution_clock::now();} ~timer() {end = high_resolution_clock::now(); auto taken = duration_cast(end-start); cout << endl << "Time taken is " << taken.count()<& obj) { os << get<0>(obj) << " " << get<1>(obj) << " " << get<2>(obj) << " " << boolalpha << get<3>(obj) << endl; return os; } int main() { { timer t; cout << "***********struct demo*********************" << endl; vector vecStruct; vecStruct.emplace_back("B","W",19,false); vecStruct.emplace_back("A","X",20,false); vecStruct.emplace_back("C","Y",15,false); sort(vecStruct.begin(),vecStruct.end(),comparator); for(const auto& elem : vecStruct) { cout << elem; } } { timer t; cout << "***********tuple demo*********************" << endl; vector> vecTuple; vecTuple.emplace_back("B","W",19,false); vecTuple.emplace_back("A","X",20,false); vecTuple.emplace_back("C","Y",15,false); sort(vecTuple.begin(),vecTuple.end()); for(const auto& elem : vecTuple) { cout << elem; } } return 0; }

StructVsTuple