Discussion on: Daily Challenge #159 - Isogram

[Vaibhav Yadav]

In Go.

func isIsogram(word string) bool {
    str := strings.ToLower(word)
    m := make(map[byte]bool)

    for i := 0; i < len(str); i++ {
        if m[str[i]] == true {
            return false
        }

        m[str[i]] = true
    }

    return true
}