C++/Lua table serialization

-- save.lua
return {
-- Table: {1}
{
   ["inventory"]={2},
   ["name"]="Dark dude",
},
-- Table: {2}
{
   "sword",
   "hammer",
   "shield",
},
}

// main.cpp

#include <iostream>
#include <LuaBridge.h>
#include <string>
#include <vector>

using namespace luabridge;

std::vector<std::string> inventory;
std::string name;
void loadData();
void showData();
void saveData();

int main() {
    loadData();
    showData();
    saveData();
    system("pause");
}

void loadData() {
    lua_State* L = luaL_newstate();
    luaL_openlibs(L);
    luaL_dofile(L, "serialize.lua");
    LuaRef table = getGlobal(L, "table");
    LuaRef load = table["load"];
    LuaRef playerTable = load("save.lua");
    LuaRef inventoryArray = playerTable["inventory"];
    for (int i = 1; i < inventoryArray.length() + 1; ++i) {
        inventory.push_back(inventoryArray[i]);
    }
    name = playerTable["name"].cast<std::string>();
}

void showData() {
    std::cout << "Name:" << name << std::endl;
    std::cout << "Inventory:" << std::endl;
    for (int i = 0; i < inventory.size(); ++i) {
        std::cout << ">" << inventory[i] << std::endl;
    }
}

void saveData() {
    lua_State* L = luaL_newstate();
    luaL_openlibs(L);
    luaL_dofile(L, "serialize.lua");
    LuaRef table = getGlobal(L, "table");
    LuaRef saveFunction = table["save"];
    LuaRef playerTable = newTable(L);
    LuaRef inventoryTable = newTable(L);
    playerTable["inventory"] = inventoryTable;
    playerTable["name"] = name;
    for (int i = 0; i < inventory.size(); ++i) {
        inventoryTable[i + 1] = inventory[i];
    }
    try {
        saveFunction(playerTable, "save.lua");
    }
    catch (const LuaException& e) {
        std::cout << e.what();
    }
}