From d0f3f64bb42ea8194c20f0eadd35821cab346143 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Fri, 17 Jan 2025 07:52:02 +0100
Subject: Started work on templates article

---
 templates/pair.cpp | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 templates/pair.cpp

(limited to 'templates/pair.cpp')

diff --git a/templates/pair.cpp b/templates/pair.cpp
new file mode 100644
index 0000000..42b97c9
--- /dev/null
+++ b/templates/pair.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+
+template <typename S, typename T>
+class Pair {
+public:
+	S first;
+	T second;
+
+	Pair(S s, T t) : first{s}, second{t} {}
+
+	void print() const {
+		std::cout << "(" << first << ", " << second << ")";
+	}
+};
+
+int main() {
+	Pair<int, char> p(42, 'x');
+	p.second = 'y';
+
+	std::cout << "p =";
+	p.print();
+	std::cout << std::endl;
+
+	Pair q(1.23, 7); // template argument deduction
+
+	std::cout << "q =";
+	q.print();
+	std::cout << std::endl;
+
+	std::cout << "int type name: " << typeid(7).name() << std::endl;
+	std::cout << "char type name: " << typeid('x').name() << std::endl;
+	std::cout << "double type name: " << typeid(1.23).name() << std::endl;
+	std::cout << "Type of p: " << typeid(p).name() << std::endl;
+	std::cout << "Type of q: " << typeid(q).name() << std::endl;
+}
-- 
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