width

package main

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

	"github.com/spiegel-im-spiegel/text/width"
)

func main() {
	buf := &bytes.Buffer{}
	if _, err := io.Copy(buf, width.Reader(strings.NewReader("abｦ￦￮￥Ａ"), width.Fold)); err != nil {
		return
	}
	fmt.Println(buf)
}

Output:

abヲ₩○¥A

package main

import (
	"fmt"

	"github.com/spiegel-im-spiegel/text/width"
)

func main() {
	res := width.String("abｦ￦￮￥Ａ", width.Fold)
	fmt.Println(res)
}

Output:

abヲ₩○¥A