I’m slightly concerned that I wrote this without really thinking about it. classLuaSlot { public:staticinline sigc::slot<void> Wrap(lua_State *l) { lua_getfield(l, LUA_REGISTRYINDEX, "_slot"); if (lua_isnil(l, -1)) { lua_newtable(l); lua_pushvalue(l, -1); lua_setfield(l, LUA_REGISTRYINDEX, "_slot"); } lua_pushvalue(l, -2); int ref = luaL_ref(l, -2); lua_pop(l, 1); return sigc::bind(sigc::ptr_fun(&trampoline), l, ref); } private:staticinlinevoid trampoline(lua_State *l, int ref) { lua_getfie...
