kind.go

package main

import (
        "golang.org/x/text/width"
        "fmt"
)

func main() {
        str := []string{
                "◎",
                "全",
                "1",
                "Ｆ",
                "ﾅ",
        }
        for _, s := range(str) {
                for _, r := range(s) {
                        p := width.LookupRune(r)
                        fmt.Printf("Kind:%s(%d)\t Rune:%s\n",p.Kind(), p.Kind(), string(r))
                }

        }
}

// Kind:EastAsianAmbiguous(1)       Rune:◎
// Kind:EastAsianWide(2)    Rune:全
// Kind:EastAsianNarrow(3)  Rune:1
// Kind:EastAsianFullwidth(4)       Rune:Ｆ
// Kind:EastAsianHalfwidth(5)       Rune:ﾅ
// Kind:EastAsianWide(2)    Rune:ナ