labs 8: init

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

lab8/23.cpp

@@ -0,0 +1,14 @@
+#include <iostream>
+
+template <typename T>
+std::enable_if_t<std::is_arithmetic<T>::value, T> sq(T x) {
+  return x * x;
+}
+
+int main() {
+  float x = 4.4;
+
+  std::cout << "double: " << sq((double)5.3) << "\nlong: " << sq(4l);
+
+  return 0;
+}