1 files changed, 34 insertions, 0 deletions
diff --git a/development/c++/meta.cc b/development/c++/meta.cc
new file mode 100644
index 0000000..e674cfd
--- /dev/null
+++ b/development/c++/meta.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2022 johannst
+
+#include <iostream>
+
+// Base case with one parameter.
+template<int P>
+void show_int() {
+    printf("%d\n", P);
+}
+
+// General case with at least two parameters, to disambiguate from base case.
+template<int P0, int P1, int... Params>
+void show_int() {
+    printf("%d, ", P0);
+    show_int<P1, Params...>();
+}
+
+// Base case with one parameter.
+template<typename T>
+void show(const T& t) {
+    std::cout << t << '\n';
+}
+
+// General case with at least two parameters, to disambiguate from base case.
+template<typename T0, typename T1, typename... Types>
+void show(const T0& t0, const T1& t1, const Types&... types) {
+    std::cout << t0 << ", ";
+    show(t1, types...);
+}
+
+int main() {
+    show_int<1, 2, 3, 4, 5>();
+    show(1, 1.0, "foo", 'a');
+}