nihongo is muzukasii-

nihongo_sort_join.go

package main
import (
    "fmt"
    "sort"
    "strings"
    )
func main(){
    message := "いろはにほへとちりぬるをわかよたれそつねならむうゐのおくやまけふこえてあさきゆめみしゑいもせす"
    lnh := len([]rune(message))
    ms := make([]string, lnh)
    for i, v := range []rune(message){
        ms[i] = string(v)
    }
    fmt.Println(ms)
    sort.Strings(ms)
    fmt.Println(ms)
    fmt.Println(strings.Join(ms, ""))
    sort.Sort(sort.Reverse(sort.StringSlice(ms)))
    fmt.Println(ms)
    fmt.Println(strings.Join(ms, ""))
}