LuaRef has strong reference to lua value. It means not collect by gc.
LuaRef has specialized 4 types.
- LuaTable is LUA_TTABLE
- LuaUserData is LUA_TUSERDATA
- LuaFunction is LUA_TFUNCTION
- LuaThread is LUA_TTHREAD
example
state.dostring("mytable={}");//create table
kaguya::LuaRef table = state["mytable"];
state.dostring("mytable.value = 3");
int v = table["value"];//v is 3
state.dostring("mytable.value = 6");//assign new value
state.dostring("mytable=nil");//remove from global table
state.dostring("collectgarbage()");//run fullgc
v = table["value"];//v is 6.lua_ref lua_table lua_thread lua_userdata lua_function