/*
	Apprend std::tie
	On voit que ça simplifie le code redondant pour comparer plusieurs champs.
	La performance est la même.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <tlmplib.h>
#include <string>
#include <tuple>
#include "getnow.h"

using namespace std;

struct A{
	int a;
	string b;
	int c;
	A(int _a, const char *_b, int _c)
		:a(_a),b(_b),c(_c)
	{
	}
	bool operator < (const A &n) {
		bool ret = false;
		if (a < n.a){
			ret = true;
		}else if (a == n.a){
			if (b < n.b){
				ret = true;
			}else if (b == n.b){
				ret = c < n.c;
			}
		}
		return ret;
	}
};
struct A_tie{
	int a;
	string b;
	int c;
	A_tie(int _a, const char *_b, int _c)
		:a(_a),b(_b),c(_c)
	{
	}
	bool operator < (const A_tie &n) {
		return tie(a,b,c) < tie(n.a,n.b,n.c);
	}
};
struct B_tie{
	int a;
	string b;
	int c;
	int d;
	B_tie(int _a, const char *_b, int _c, int _d)
		:a(_a),b(_b),c(_c),d(_d)
	{
	}
	bool operator < (const A_tie &n) {
		return tie(a,b,c,d) < tie(n.a,n.b,n.c,d);
	}
};

template<typename T>
void test(T &a, T &b, unsigned int nbrep)
{
	long long start = getnow();
	unsigned long count = 0;
	for (unsigned i=0; i<nbrep; i++){
		if (a < b) count++;
	}
	long long end = getnow();
	showtime (typeid(a).name(),start,end);
	printf ("count=%lu\n",count);
}
<mod>
int main (int argc, char *argv[])
{
	glocal int ret = -1;
	glocal unsigned nbrep = 1;
	glocal.ret = <call tlmpprogram>(argc,argv);
	<f init>
		setproginfo ("","0.0","...");
		setarg ('n',"nbrep","Nombre de repetition",glocal.nbrep,false);
	</f>
	<f main>
		int ret = -1;
		{
			A a(1,"allo",2);
			A b(1,"allo",1);
			test (a,b,glocal.nbrep);
		}
		{
			A_tie a(1,"allo",2);
			A_tie b(1,"allo",3);
			test (a,b,glocal.nbrep);
		}
		return ret;
	</f>
	</call>
	return glocal.ret;
}
</mod>