« Templates in C++

Pair.cpp

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1template <typename T, typename V>
2
3class Pair
4{
5    T x;
6    V y;
7
8public:
9    void setX(T x)
10    {
11        this->x = x;
12    }
13
14    T getX()
15    {
16        return this->x;
17    }
18
19    void setY(V y)
20    {
21        this->y = y;
22    }
23
24    V getY()
25    {
26        return y;
27    }
28};

PairUse.cpp

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1#include <iostream>
2#include <iomanip>
3#include <algorithm>
4#include <string>
5#include <cstring>
6#include <vector>
7#include <cmath>
8#include <map>
9#include <climits>
10// climits for INT_MIN
11#include <unordered_map>
12using namespace std;
13
14#include "Pair.cpp"
15int main()
16{
17    Pair<int, double> p;
18    p.setX(34);
19    p.setY(23423.4);
20    cout << p.getX() << " " << p.getY() << endl;
21
22    cout << "----------------------------------------------------------------" << endl;
23    Pair<Pair<int, int>, int> p1;
24    p1.setY(123456);
25    Pair<int, int> p2;
26    p2.setX(6789);
27    p2.setY(24556);
28    p1.setX(p2);
29    cout << p1.getY() << " " << p1.getX().getX() << endl;
30
31    return 0;
32}