centralized performance resources

perf-cpp/scripts/consteval.cc

@@ -0,0 +1,14 @@
+#include <iostream>
+
+consteval int foo(int x) {
+  if (x <= 1) return x;
+  return foo(x - 1) + foo(x - 2);
+}
+
+int main() {
+  constexpr int x = foo(3);
+
+  static_assert(x != foo(4));
+
+  return 0;
+}