package main

import (
    "fmt"
    "github.com/Shopify/go-lua"
)

func main() {
    state := lua.NewState()
    defer state.Close()

    // 加载 Lua 代码
    lua.DoString(state, `
        function add(a, b)
            return a + b
        end
    `)

    // 调用 Lua 函数
    lua.GetGlobal(state, "add")
    lua.PushInteger(state, 1)
    lua.PushInteger(state, 2)
    lua.Call(state, 2, 1)

    // 获取 Lua 函数返回值
    result := lua.ToInteger(state, -1)
    lua.Pop(state, 1)

    fmt.Println(result)
}