1 files changed, 28 insertions, 0 deletions
diff --git a/lib/sol2/examples/source/docs/runtime_extension.cpp b/lib/sol2/examples/source/docs/runtime_extension.cpp
new file mode 100644
index 0000000..9d36d0d
--- /dev/null
+++ b/lib/sol2/examples/source/docs/runtime_extension.cpp
@@ -0,0 +1,28 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include <iostream>
+
+struct object { 
+	int value = 0; 
+};
+
+int main (int, char*[]) {
+
+	std::cout << "==== runtime_extension =====" << std::endl;
+
+	sol::state lua;
+	lua.open_libraries(sol::lib::base);
+
+	lua.new_usertype<object>( "object" );
+
+	// runtime additions: through the sol API
+	lua["object"]["func"] = [](object& o) { return o.value; };
+	// runtime additions: through a lua script
+	lua.script("function object:print () print(self:func()) end");
+	
+	// see it work
+	lua.script("local obj = object.new() \n obj:print()");
+
+	return 0;
+}