encode

package main

import (
	"bytes"
	"fmt"
	"io"
	"strings"

	"github.com/spiegel-im-spiegel/text/detect"
	"github.com/spiegel-im-spiegel/text/encode"
)

func main() {
	utf8Text := "こんにちは，世界\n"
	res, err := encode.FromUTF8To(detect.ISO2022JP, strings.NewReader(utf8Text))
	if err != nil {
		fmt.Println(err)
		return
	}
	buf := &bytes.Buffer{}
	if _, err := io.Copy(buf, res); err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println(buf.Bytes())
}

Output:

[27 36 66 36 51 36 115 36 75 36 65 36 79 33 36 64 36 51 38 27 40 66 10]