public static Tuple <StkId, StkId> CallFunction(this LuaState lua, StkId func)
{
if (func.V.TtIsFunction())
{
var clone = StkId.Clone(func);
lua.PushStkId(clone);
if (!lua.D_PreCall(clone, 2))
{
lua.V_Execute();
}
var value = lua.Last();
if (value.V.TtIsNil())
{
// Debug.Log("Iterator elements are over");
return(null);
}
lua.Pop(1);
var key = lua.Last();
lua.Pop(1);
return(new Tuple <StkId, StkId>(key, value));
}
Debug.LogWarning("Iterator must be a function");
return(null);
}