9.1.8.2 Template specialization

#include "stdafx.h"
#include <iostream>
#include <stdio.h>
#include <string>
#include <sstream>
#include <vector>
#include <typeinfo>

using namespace std;
struct Point
{
	int x, y;
};

struct Line
{
	Point start, end;
};




Point add(Point a, Point b)
{
	Point res;
	res.x = a.x + b.x;
	res.y = a.y + b.y;
	return res;
}
Line add(Line line, Point point)
{
	Line newline;
	newline.start = add(point, line.start);
	newline.end = add(point, line.end);
	return newline;
}
template<class T>T add(T a, T b)
{
	return a + b;
};
//your code

int main()
{
	cout << add(5, 10) << endl;
	cout << add(5.0, 10.0) << endl;
	Point p1 = { 1, 1 };
	Point p2 = { 2, 2 };
	Point p3 = add(p1, p2);
	cout << "P3: " << p3.x << ":" << p3.y << endl;
	Line x_line = { p1, p2 };
	Line moved_line = add(x_line, p1);
	cout << "Line start: " << moved_line.start.x << ":" << moved_line.start.y << endl;
	cout << "Line end: " << moved_line.end.x << ":" << moved_line.end.y << endl;

	system("pause");
	return 0;
}