From dc2493e7525bb7633f697ef10f72b72b46222249 Mon Sep 17 00:00:00 2001
From: Andy Belle-Isle <drumsetmonkey@gmail.com>
Date: Fri, 30 Aug 2019 00:45:36 -0400
Subject: Forget what I said, I just need to change git attributes to mark for
 vendor

---
 lib/sol2/examples/source/runtime_additions.cpp | 41 ++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 lib/sol2/examples/source/runtime_additions.cpp

(limited to 'lib/sol2/examples/source/runtime_additions.cpp')

diff --git a/lib/sol2/examples/source/runtime_additions.cpp b/lib/sol2/examples/source/runtime_additions.cpp
new file mode 100644
index 0000000..720eb58
--- /dev/null
+++ b/lib/sol2/examples/source/runtime_additions.cpp
@@ -0,0 +1,41 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include "assert.hpp"
+#include <iostream>
+
+struct object {
+	int value = 0;
+};
+
+int main(int, char*[]) {
+	std::cout << "=== runtime_additions ===" << 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) { 
+		++o.value; 
+		return o.value; 
+	};
+	// runtime additions: through a lua script
+	lua.script(R"(
+function object:print () 
+	print(self:func())
+end
+	)");
+
+	// see it work
+	lua.script(R"(
+obj = object.new()
+obj:print()
+	)");
+
+	object& obj = lua["obj"];
+	c_assert(obj.value == 1);
+
+	return 0;
+}
-- 
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