Lots of work

example/executable/entry.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+#if __cplusplus >= 202302L
+#  define print(x) std::print(#x)
+#else // Old C++ version.
+#  define print(x) std::cout << #x << std::endl
+#endif // Check C++ version.
+
+
+int main() {
+  print("Hello, World!");
+}