golangアルゴリズムのpancake

// Pancake Sort in Golang
package main

import "fmt"

func main() {
    list := data{28, 11, 59, -26, 503, 158, 997, 193, -23, 44}
    fmt.Println("
--- Unsorted --- 

", list)

    list.pancakesort()
    fmt.Println("
--- Sorted ---

", list, "
")
}

type data []int32

func (dataList data) pancakesort() {
    for uns := len(dataList) - 1; uns > 0; uns-- {
        // find largest in unsorted range
        lx, lg := 0, dataList[0]
        for i := 1; i <= uns; i++ {
            if dataList[i] > lg {
                lx, lg = i, dataList[i]
            }
        }
        // move to final position in two flips
        dataList.flip(lx)
        dataList.flip(uns)
    }
}

func (dataList data) flip(r int) {
    for l := 0; l < r; l, r = l+1, r-1 {
        dataList[l], dataList[r] = dataList[r], dataList[l]
    }
}