Three Type Parameters With Explicit Arguments

1#include <iostream>
2#include <string>
3 
4template <typename A, typename B, typename C>
5class Triple {
6    A m_first;
7    B m_second;
8    C m_third;
9public:
10    Triple(A first, B second, C third) : m_first(first), m_second(second), m_third(third) {}
11    void print() const {
12        std::cout << "(" << m_first << ", " << m_second << ", " << m_third << ")\n";
13    }
14    C third() const { return m_third; }
15};
16 
17int main() {
18    Triple<int, double, char> t1(1, 2.5, 'z');
19    Triple<std::string, int, int> t2("id", 42, 7);
20    t1.print();
21    t2.print();
22    std::cout << t1.third() << "\n";
23    std::cout << t2.third() + 1 << "\n";
24    return 0;
25}