Initial Commit

examples/navigation/numbers.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+// Try References on Addable: its constraint is used in main.cpp.
+template <typename T>
+concept Addable = requires(T value) {
+    value + value;
+};
+
+// Try Definition or Callers on increment.
+int increment(int value);