c++ template class example

README.adoc

@@ -12982,6 +12982,8 @@ Programs under link:userland/cpp/[] are examples of https://en.wikipedia.org/wik
 
 * link:userland/cpp/empty.cpp[]
 * link:userland/cpp/hello.cpp[]
+* templates
+** link:userland/cpp/template.cpp[]
 
 [[cpp-multithreading]]
 ==== C++ multithreading

userland/cpp/template.cpp

@@ -0,0 +1,17 @@
+// https://cirosantilli.com/linux-kernel-module-cheat#cpp
+
+#include <cassert>
+
+template <class T>
+struct MyClass {
+    T myVal;
+    MyClass(T myVal) : myVal(myVal) {}
+    T myFunc() {
+        return myVal + 1;
+    }
+};
+
+int main() {
+    assert(MyClass<int>(1).myFunc() == 2);
+    assert(MyClass<float>(1.5).myFunc() == 2.5);
+}